@charset "UTF-8";.card-annotation .popup,.popup.fadeout{-moz-transition:opacity .15s ease-in-out;-o-transition:opacity .15s ease-in-out}.gen-nav:after,.sales-form.user-anon article form label,.topnav:after{clear:both}#sbo-rt-content .annotator-wrapper .annotator-editor-modal ul li,#sbo-rt-content .annotator-wrapper .annotator-touch-controls ul li,#sbo-rt-content .annotator-wrapper .annotator-viewer.viewer ul li,.sbo-inpage-toc .annotator-wrapper .annotator-editor-modal ul li,.sbo-inpage-toc .annotator-wrapper .annotator-touch-controls ul li,.sbo-inpage-toc .annotator-wrapper .annotator-viewer.viewer ul li{list-style-image:none}@font-face{font-family:Guardian;src:url(/static/fonts/GuardianText/GuardianTextSans-Regular-Web.aa0e2288d40e.eot) format("embedded-opentype"),url(/static/fonts/GuardianText/GuardianTextSans-Regular-Web.f454bd4cb981.woff) format("woff"),url(/static/fonts/GuardianText/GuardianTextSans-Regular-Web.0c46263adc8b.ttf) format("truetype"),url(/static/fonts/GuardianText/GuardianTextSans-Regular-Web.4c8954bb024a.svg) format("svg");font-weight:400;font-style:normal}@font-face{font-family:Guardian;src:url(/static/fonts/GuardianText/GuardianTextSans-Regular-Web.aa0e2288d40e.eot) format("embedded-opentype"),url(/static/fonts/GuardianText/GuardianTextSans-Regular-Web.f454bd4cb981.woff) format("woff"),url(/static/fonts/GuardianText/GuardianTextSans-Regular-Web.0c46263adc8b.ttf) format("truetype"),url(/static/fonts/GuardianText/GuardianTextSans-Regular-Web.4c8954bb024a.svg) format("svg");font-weight:400;font-style:normal}@font-face{font-family:Guardian;src:url(/static/fonts/GuardianText/GuardianTextSans-RegularIt-Web.87f331e56c53.eot) format("embedded-opentype"),url(/static/fonts/GuardianText/GuardianTextSans-RegularIt-Web.6eecb16fa0be.woff) format("woff"),url(/static/fonts/GuardianText/GuardianTextSans-RegularIt-Web.9cfd5a34ad34.ttf) format("truetype"),url(/static/fonts/GuardianText/GuardianTextSans-RegularIt-Web.ba53ebf332fd.svg) format("svg");font-weight:400;font-style:italic}@font-face{font-family:Guardian;src:url(/static/fonts/GuardianText/GuardianTextSans-Bold-Web.fc98acada77b.eot) format("embedded-opentype"),url(/static/fonts/GuardianText/GuardianTextSans-Bold-Web.ce5a1d881131.woff) format("woff"),url(/static/fonts/GuardianText/GuardianTextSans-Bold-Web.96df376368e7.ttf) format("truetype"),url(/static/fonts/GuardianText/GuardianTextSans-Bold-Web.1d41aed049df.svg) format("svg");font-weight:600;font-style:normal}@font-face{font-family:Guardian;src:url(/static/fonts/GuardianText/GuardianTextSans-BoldIt-Web.db764b42d7a6.eot) format("embedded-opentype"),url(/static/fonts/GuardianText/GuardianTextSans-BoldIt-Web.6c4f9140f362.woff) format("woff"),url(/static/fonts/GuardianText/GuardianTextSans-BoldIt-Web.722a4d67b151.ttf) format("truetype"),url(/static/fonts/GuardianText/GuardianTextSans-BoldIt-Web.99547eebd627.svg) format("svg");font-weight:600;font-style:italic}@font-face{font-family:"ORM Icons";src:url(/static/fonts/Icons/Icons.8bea23636e1c.eot) format("embedded-opentype"),url(/static/fonts/Icons/Icons.c5bc9359cd12.woff) format("woff"),url(/static/fonts/Icons/Icons.7df800dc450a.ttf) format("truetype"),url(/static/fonts/Icons/Icons.d46de5ab44b1.svg) format("svg");font-weight:400;font-style:normal}@font-face{font-family:oreilly-urw-typewriter-narro;src:url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.2f64425db877.eot) format("embedded-opentype"),url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.77950543af05.woff) format("woff"),url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.3d7988291f78.ttf) format("truetype"),url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.d27ff11fea4e.svg) format("svg");font-weight:200;font-style:normal}@font-face{font-family:oreilly-urw-typewriter-narro;src:url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.2f64425db877.eot) format("embedded-opentype"),url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.77950543af05.woff) format("woff"),url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.3d7988291f78.ttf) format("truetype"),url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.d27ff11fea4e.svg) format("svg");font-weight:400;font-style:normal}@font-face{font-family:oreilly-urw-typewriter-narro;src:url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.2f64425db877.eot) format("embedded-opentype"),url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.77950543af05.woff) format("woff"),url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.3d7988291f78.ttf) format("truetype"),url(/static/fonts/URWTypewriter/urwtypewritertotthinnar-webfont.d27ff11fea4e.svg) format("svg");font-weight:700;font-style:normal}@font-face{font-family:SSFlow;src:url(/static/fonts/ss-flow/ss-flow.d62aa8170d30.eot) format("embedded-opentype"),url(/static/fonts/ss-flow/ss-flow.e9ad0e53aa21.woff) format("woff"),url(/static/fonts/ss-flow/ss-flow.5317631647ae.ttf) format("truetype"),url(/static/fonts/ss-flow/ss-flow.817001c9a630.svg) format("svg");font-weight:400;font-style:normal}html:hover [class^=ss-]{-ms-zoom:1}[class*=ss-] span{display:none}.ss-icon,.ss-icon.ss-flow,[class*=" ss-"].right:after,[class*=" ss-"].ss-flow.right:after,[class*=" ss-"].ss-flow:before,[class*=" ss-"]:before,[class^=ss-].right:after,[class^=ss-].ss-flow.right:after,[class^=ss-].ss-flow:before,[class^=ss-]:before{font-family:SSFlow;font-style:normal;font-weight:400;text-decoration:none;white-space:nowrap;-webkit-font-smoothing:antialiased}.progress,.topic-display li,a.skip:active,a.skip:focus,a.skip:hover{-webkit-font-smoothing:subpixel-antialiased}[class*=" ss-"].right:before,[class^=ss-].right:before{display:none;content:''}.ss-flow.right:after,.ss-flow:before{content:'\f700'}.ss-hexfill.right:after,.ss-hexfill:before{content:'\f701'}.ss-hexbase.right:after,.ss-hexbase:before{content:'\f702'}.ss-hextri.right:after,.ss-hextri:before{content:'\f703'}.ss-hexlined.right:after,.ss-hexlined:before{content:'\f704'}.ss-queue.right:after,.ss-queue:before{content:'\f709'}.ss-book.right:after,.ss-book:before{content:'📕'}.ss-search.right:after,.ss-search:before{content:'🔎'}.ss-link.right:after,.ss-link:before{content:'🔗'}.ss-write.right:after,.ss-write:before{content:'\270e'}.ss-compose.right:after,.ss-compose:before{content:'📝'}.ss-lock.right:after,.ss-lock:before{content:'🔒'}.ss-unlock.right:after,.ss-unlock:before{content:'🔓'}.ss-ban.right:after,.ss-ban:before{content:'🚫'}.ss-tag.right:after,.ss-tag:before{content:'\e100'}.ss-star.right:after,.ss-star:before{content:'\22c6'}.ss-picks.right:after,.ss-picks:before{content:'\f705'}.ss-user.right:after,.ss-user:before{content:'👤'}.ss-femaleuser.right:after,.ss-femaleuser:before{content:'👧'}.ss-users.right:after,.ss-users:before{content:'👥'}.ss-volume.right:after,.ss-volume:before{content:'🔈'}.ss-highvolume.right:after,.ss-highvolume:before{content:'🔊'}.ss-video.right:after,.ss-video:before{content:'📹'}.ss-play.right:after,.ss-play:before{content:'\25b6'}.ss-pause.right:after,.ss-pause:before{content:'\e8a0'}.ss-rewind.right:after,.ss-rewind:before{content:'\23ea'}.ss-fastforward.right:after,.ss-fastforward:before{content:'\23e9'}.ss-skipback.right:after,.ss-skipback:before{content:'\23ee'}.ss-skipforward.right:after,.ss-skipforward:before{content:'\23ed'}.ss-replay.right:after,.ss-replay:before{content:'\21ba'}.ss-refresh.right:after,.ss-refresh:before{content:'\21bb'}.ss-sync.right:after,.ss-sync:before{content:'\eb82'}.ss-list.right:after,.ss-list:before{content:'\ed50'}.ss-fontsize.right:after,.ss-fontsize:before{content:'\f706'}.ss-highlights.right:after,.ss-highlights:before{content:'\f707'}.ss-check.right:after,.ss-check:before{content:'\2713'}.ss-delete.right:after,.ss-delete:before{content:'\2421'}.ss-recent.right:after,.ss-recent:before{content:'\f708'}.ss-settings.right:after,.ss-settings:before{content:'\2699'}.ss-up.right:after,.ss-up:before{content:'\2b06'}.ss-right.right:after,.ss-right:before{content:'\27a1'}.ss-down.right:after,.ss-down:before{content:'\2b07'}.ss-left.right:after,.ss-left:before{content:'\2b05'}.ss-navigateup.right:after,.ss-navigateup:before{content:'\f500'}.ss-navigateright.right:after,.ss-navigateright:before{content:'\25bb'}.ss-navigatedown.right:after,.ss-navigatedown:before{content:'\f501'}.ss-navigateleft.right:after,.ss-navigateleft:before{content:'\25c5'}.popup{border:1px solid #d5d6d2;background-color:#fff;position:fixed;top:100px;left:50%;margin-left:-300px;width:600px;z-index:9999;-moz-border-radius:5px;-webkit-border-radius:5px;-o-border-radius:5px;border-radius:5px;-moz-box-shadow:0 3px 0 #e6e6e6;-webkit-box-shadow:0 3px 0 #e6e6e6;-o-box-shadow:0 3px 0 #e6e6e6;box-shadow:0 3px 0 #e6e6e6}.popup.fadeout{-webkit-transition:opacity .15s ease-in-out;transition:opacity .15s ease-in-out}.popup.fadeout.closed{opacity:0}.popup .headline{border-bottom:1px solid #CCC;padding:.375rem 0}.popup .headline h2{color:#777;margin:0;padding:.625rem}.popup .popup-content{color:#777;padding:.625rem .9375rem}button,input,select,textarea{font-family:inherit;font-size:100%;margin:0}button,input{line-height:normal}button,html input[type=button],input[type=reset],input[type=submit]{-webkit-appearance:button;cursor:pointer}button[disabled],input[disabled]{cursor:default}label{display:block;font-size:14px;font-size:.875rem;text-transform:None;color:#404040;margin:1rem 0 .5rem}label .note{text-transform:capitalize;letter-spacing:0;font-size:smaller}strong{font-weight:700}.add-members-fake-field,input[type=text],input[type=email],input[type=password],textarea{background-color:rgba(244,243,240,.5);border:1px solid rgba(118,118,118,.35);font-size:18px;font-family:"source sans pro",sans-serif;margin-bottom:.625rem;padding:.5em;min-width:12em;width:100%;max-width:15em;color:#070707}.error .add-members-fake-field,.error input[type=text],.error input[type=email],.error input[type=password],.error textarea{border:1px solid #ea6d60}.ie8 .add-members-fake-field,.ie8 input[type=text],.ie8 input[type=email],.ie8 input[type=password],.ie8 textarea{font-family:sans-serif}.feedback .text,.tooltip,a.l0,a.l1,a.l2,a.skip:active,a.skip:focus,a.skip:hover{font-family:"source sans pro",sans-serif}input:read-only{border-color:#e6e6e6}#registration-form input[type=submit]:disabled{color:#AAA;-moz-box-shadow:0 0 0 1px rgba(0,0,0,.15);-webkit-box-shadow:0 0 0 1px rgba(0,0,0,.15);-o-box-shadow:0 0 0 1px rgba(0,0,0,.15);box-shadow:0 0 0 1px rgba(0,0,0,.15)}.half-field{max-width:100%;width:100%}@media screen and (min-width:32.5625em){.half-field{max-width:48%}.half-field.right{float:right}.half-field.left{float:left}}.sales-form.user-anon article form .left,label[for=id_card_number]{float:left}ul.credit-cards{position:relative;z-index:1;font-weight:400}ul.credit-cards .tooltip .tooltip-inner{max-width:250px;width:250px;white-space:normal}@media screen and (max-width:53.75em){ul.credit-cards .tooltip .tooltip-inner{max-width:200px;width:200px}}ul.credit-cards li{display:inline-block;text-indent:-99999px;width:40px;height:25px;margin-right:10px;opacity:.7}ul.credit-cards li.mastercard{background:url(/static/images/mastercard.aabfdb51fb69.png) no-repeat}ul.credit-cards li.discover{background:url(/static/images/discover.8f80db8aa5dd.png) no-repeat}ul.credit-cards li.visa{background:url(/static/images/visa.29cc60580576.png) no-repeat}ul.credit-cards li.amex{background:url(/static/images/amex.c32c7347ef6e.png) no-repeat}ul.credit-cards li:focus,ul.credit-cards li:hover{opacity:.9}textarea{width:100%;min-height:7em;max-width:30em;font-size:16px}.agreement-inc label,.pod{font-size:14px}input+small,select+small{display:block;margin:.5em 0!important}.agreement-inc input[type=checkbox]+small{display:inline}input.error{border:1px solid #ea6d60;background-color:#fbe1de}input.ok{border:1px solid #008542;background-color:#fff}small.ok{color:#F65D22}.form-row.error .errorlist,small.error{color:#ea6d60}#id_username{text-transform:lowercase}#id_username::-webkit-input-placeholder{text-transform:none}#id_username:-moz-placeholder{text-transform:none}#id_username::-moz-placeholder{text-transform:none}#id_username:-ms-input-placeholder{text-transform:none}input#id_username:-ms-input-placeholder,input#id_username::-moz-placeholder,input#id_username::-webkit-input-placeholder{text-transform:capitalize}.articlelist>li .controls .format-title,.articlelist>li .position-link,.button-orm,.pod h3,h3{text-transform:uppercase}.form-row.error .errorlist li{margin:.5em 0}.sales-form.user-authenticated .page-head{display:none}.sales-form.user-anon{background-color:#f6f6f6}.sales-form.user-anon header[role=banner]{border-bottom:1px solid #DDD}.sales-form.user-anon article,.sales-form.user-anon footer{background:no-repeat}.link-to-markdown,.pod,.sf-cvv .cvv-help{background-clip:padding-box}.sales-form.user-anon article header{border-bottom:1px solid #DDD;text-align:center;padding-bottom:.625rem}.sales-form.user-anon article .intro{text-align:center}.sales-form.user-anon article form{padding:0 8.125rem 1.25rem}.sales-form.user-anon article form .left,.sales-form.user-anon article form .right{display:inline-block;width:48%;margin-bottom:.625rem}.sales-form.user-anon article form .right{float:right}.sales-form.user-anon article form input{padding:.5em}.sales-form.user-anon article form input[type=submit]{padding:1rem 1.5625rem;margin:1.875rem 0 1.5625rem}.sales-form.user-anon .pod{margin:36px auto;max-width:820px;max-width:51.25rem}@media screen and (max-width:51.1875em){.sales-form.user-anon .pod{margin-right:10px;margin-left:10px}.sales-form.user-anon article form{padding:0 5rem 1.25rem}.sales-form.user-anon article form textarea{max-width:100%}}@media screen and (max-width:51.1875em) and (max-width:45em){.sales-form.user-anon article form{padding:0 1.25rem 1.25rem}.sales-form.user-anon article form .left,.sales-form.user-anon article form .right{width:100%}}.sf-cvv{position:relative;min-width:95px;width:100%;max-width:100px}.sf-cvv .tooltip-inner{max-width:300px;width:300px;white-space:normal}.sf-cvv .cvv-help{position:absolute;right:6px;bottom:21px;padding-top:1px;background-color:#777;color:#fff;-webkit-border-radius:2px;border-radius:2px;width:20px;height:20px;font-weight:700;text-align:center}.sf-ccnum,.sf-country,.sf-cvv,.sf-zip{display:inline-block;vertical-align:top}.sf-ccnum,.sf-zip{max-width:18em;width:100%}.sf-additional-info textarea,textarea.add-members{max-width:100%}.agreement-inc label input{float:left;display:inline-block;margin:10px 10px 0 0}.membership-agreement .terms-agreement-field{margin:0 0 .5rem}.membership-agreement .js-email-opt-in p{margin:.5rem 0}.membership-agreement .js-email-opt-in input{margin-left:15px}.membership-agreement .js-email-opt-in input:first-child{margin-left:0}.membership-agreement .js-email-opt-in span{margin-left:5px}.membership-agreement .js-email-opt-in h4{margin:.4rem 0 .2rem}@media screen and (min-width:20em){.sf-ccnum,.sf-zip{margin-right:1em}}@media screen and (min-width:32.5625em){.form-row:after,.form-row:before{content:" ";display:table}.form-row:after{clear:both}.sf-ccnum,.sf-cvv{display:inline-block;vertical-align:top}.sf-ccnum{margin-right:1em}}a:link,a:visited{color:#F65D22;text-decoration:none}a:link.gray-link:focus,a:link.gray-link:hover,a:link:focus,a:link:hover,a:visited.gray-link:focus,a:visited.gray-link:hover,a:visited:focus,a:visited:hover{color:#F65D22;text-decoration:underline}a:link.gray-link,a:visited.gray-link{text-decoration:underline;color:rgba(64,64,64,.75)}a{-moz-transition:color .2s ease-out;-webkit-transition:color .2s ease-out;-o-transition:color .2s ease-out;transition:color .2s ease-out}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a span,.interface-controls a .icon,.interface-controls button .icon,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a span,.social-sharing a span,.visuallyhidden{border:0;clip:rect(0 0 0 0);width:1px;height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a span.focusable:active,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a span.focusable:focus,.interface-controls a .focusable.icon:active,.interface-controls a .focusable.icon:focus,.interface-controls button .focusable.icon:active,.interface-controls button .focusable.icon:focus,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a span.focusable:active,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a span.focusable:focus,.social-sharing a span.focusable:active,.social-sharing a span.focusable:focus,.visuallyhidden.focusable:active,.visuallyhidden.focusable:focus{clip:auto;height:auto;margin:0;overflow:visible;position:static;width:auto}.hidden{display:none}form input.error,form textarea.error{border:1px solid #ea6d60;background-color:#fae0de}.pod{margin:0 0 1.25rem;padding:1rem;background-color:#fff;font-size:.875rem;line-height:19px;line-height:1.1875rem;-webkit-border-radius:2px;border-radius:2px}.pod header h1{margin-top:0}.pod header h1.trial{color:#ea6d60}.pod h3,h3,h4{color:#777}.pod h2{font-size:18px}h1,h2{font-weight:400;color:#404040}.display-markdown ol,.display-markdown ul{margin:0 0 0 30px}.display-markdown ol li,.display-markdown ul li{margin:5px 0!important;list-style-type:disc}.display-markdown ol li{list-style-type:lower-alpha}.display-markdown blockquote{border-left:1px solid #e98300;padding-left:10px;margin:10px}p,ul{padding:0}h1{font-size:30px;font-size:1.875rem;line-height:38px;line-height:2.375rem;margin:1.25rem 0}@media screen and (max-width:30em){.section-header{margin-left:15px}}h3,p{font-size:18px;margin:1.125rem 0}h2{font-size:24px;font-size:1.5rem;margin:1.25rem 0}h3{font-weight:400;letter-spacing:1px;font-size:1.125rem}h4{font-weight:400;margin:1.3125rem 0}p{line-height:1.4em;font-size:1.125rem}small{font-size:14px;font-size:.875rem}.link-to-markdown{padding:1px 8px;-webkit-border-radius:30px;border-radius:30px;border:1px solid #bbb;float:right}.bigbutton,.button,.button-primary,a.bigbutton,a.button,a.button-primary,button,button.button-primary,input[type=reset],input[type=submit]{display:inline-block;padding:10px 15px;font-weight:600;font-size:14px;line-height:1.2em;text-transform:uppercase;letter-spacing:1px;cursor:pointer;text-decoration:none;-moz-transition:all .15s cubic-bezier(.86,0,.07,1);-webkit-transition:all .15s cubic-bezier(.86,0,.07,1);-o-transition:all .15s cubic-bezier(.86,0,.07,1);transition:all .15s cubic-bezier(.86,0,.07,1)}.autocomplete-suggestions b,.button-orm,.gen-nav,.gen-nav a,.mknav li a,.tooltip{font-weight:700}.bigbutton.disabled,.bigbutton:disabled,.bigbutton:disabled:focus,.bigbutton:disabled:hover,.button-primary.disabled,.button-primary:disabled,.button-primary:disabled:focus,.button-primary:disabled:hover,.button.disabled,.button:disabled,.button:disabled:focus,.button:disabled:hover,a.bigbutton.disabled,a.bigbutton:disabled,a.bigbutton:disabled:focus,a.bigbutton:disabled:hover,a.button-primary.disabled,a.button-primary:disabled,a.button-primary:disabled:focus,a.button-primary:disabled:hover,a.button.disabled,a.button:disabled,a.button:disabled:focus,a.button:disabled:hover,button.button-primary.disabled,button.button-primary:disabled,button.button-primary:disabled:focus,button.button-primary:disabled:hover,button.disabled,button:disabled,button:disabled:focus,button:disabled:hover,input[type=reset].disabled,input[type=reset]:disabled,input[type=reset]:disabled:focus,input[type=reset]:disabled:hover,input[type=submit].disabled,input[type=submit]:disabled,input[type=submit]:disabled:focus,input[type=submit]:disabled:hover{color:#ccc!important;background-color:#f5f5f5!important;border-color:#ccc!important;cursor:default}.button,a.button,button{color:#404040;background:#fff;border:1px solid #777}.button.active,.button:focus,.button:hover,a.button.active,a.button:focus,a.button:hover,button.active,button:focus,button:hover{color:#F65D22;background:#fff;border-color:#F65D22;text-decoration:none}.button-primary,a.button-primary,button.button-primary,input[type=reset],input[type=submit]{color:#404040;background-color:#F5C517;border:1px solid #F5C517}.button-primary:focus,.button-primary:hover,a.button-primary:focus,a.button-primary:hover,button.button-primary:focus,button.button-primary:hover,input[type=reset]:focus,input[type=reset]:hover,input[type=submit]:focus,input[type=submit]:hover{color:#404040;background-color:#E8BA16;border-color:#E8BA16;text-decoration:none}.button-orm{padding:6px 15px;letter-spacing:1.4px;font-size:12px;text-align:center;border:1px solid #c7c1b4;background:#fff;color:#b9002d!important}html.no-touch .button-orm:hover{text-decoration:none;color:#fff!important;background:#b9002d;border-color:#b9002d}input[type=reset]{min-width:0}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing li,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing li,.social-sharing li{display:inline-block;margin:0;list-style-type:none;text-align:center}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a,.social-sharing a{display:inline-block;padding:0;-moz-transition:all .2s ease-in-out;-webkit-transition:all .2s ease-in-out;-o-transition:all .2s ease-in-out;transition:all .2s ease-in-out}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a.twitter,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a.twitter,.social-sharing a.twitter{background:url(/static/images/tweet_gray.c3649492e6d1.png) center center no-repeat}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a.facebook,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a.facebook,.social-sharing a.facebook{background:url(/static/images/fb_gray.3f725069eb2b.png) center center no-repeat}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a.googleplus,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a.googleplus,.social-sharing a.googleplus{background:url(/static/images/googleplus_gray.1379fcec2ce7.png) center center no-repeat}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a.email,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a.email,.social-sharing a.email{background:url(/static/images/email_gray.05464fdf00d2.png) center center no-repeat}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotation-card.social-sharing li,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .button-group.social-sharing li,.annotation-card.social-sharing li,.button-group.social-sharing li,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotation-card.social-sharing li,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .button-group.social-sharing li{margin:10px 10px 0}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .button-group.social-sharing a.share-button,.button-group.social-sharing a.share-button,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .button-group.social-sharing a.share-button{-moz-box-shadow:0 0 0 1px #e6e6e6;-webkit-box-shadow:0 0 0 1px #e6e6e6;-o-box-shadow:0 0 0 1px #e6e6e6;box-shadow:0 0 0 1px #e6e6e6;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;background-color:#fff;border-top:1px solid rgba(255,255,255,.5)!important;border-bottom:3px solid rgba(0,0,0,.05)!important;max-width:100%;height:47px;width:47px}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .button-group.social-sharing a.share-button:focus,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .button-group.social-sharing a.share-button:hover,.button-group.social-sharing a.share-button:focus,.button-group.social-sharing a.share-button:hover{background-color:#f5f5f5}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing,.dropdown-menu.social-sharing,.interface-controls #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing,.interface-controls .sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing,.interface-controls .social-sharing,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing{display:block;background-color:#333;position:absolute;top:0;right:48px;width:196px;opacity:0;visibility:hidden;-moz-transition:opacity .2s ease-in-out;-webkit-transition:opacity .2s ease-in-out;-o-transition:opacity .2s ease-in-out;transition:opacity .2s ease-in-out;-webkit-border-radius:2px 0 0 2px;border-radius:2px 0 0 2px;background-clip:padding-box;border-right:1px solid #777}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing li,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing li,.dropdown-menu.social-sharing li,.interface-controls #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing li,.interface-controls .sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing li,.interface-controls .social-sharing li,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing li,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing li{display:block;float:left;background:0 0;border-left:1px solid #777}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing li:first-child,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing li:first-child,.dropdown-menu.social-sharing li:first-child,.interface-controls #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing li:first-child,.interface-controls .sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing li:first-child,.interface-controls .social-sharing li:first-child,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing li:first-child,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing li:first-child{border-left:none}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing a.twitter,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing a.twitter,.dropdown-menu.social-sharing a.twitter,.interface-controls #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a.twitter,.interface-controls .sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a.twitter,.interface-controls .social-sharing a.twitter,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing a.twitter,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing a.twitter{background-image:url(/static/images/tweet.a62814fba328.png)}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing a.facebook,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing a.facebook,.dropdown-menu.social-sharing a.facebook,.interface-controls #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a.facebook,.interface-controls .sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a.facebook,.interface-controls .social-sharing a.facebook,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing a.facebook,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing a.facebook{background-image:url(/static/images/fb.249a5073b401.png)}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing a.googleplus,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing a.googleplus,.dropdown-menu.social-sharing a.googleplus,.interface-controls #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a.googleplus,.interface-controls .sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a.googleplus,.interface-controls .social-sharing a.googleplus,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing a.googleplus,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing a.googleplus{background-image:url(/static/images/googleplus.84ff91fb93fb.png)}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing a.email,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing a.email,.dropdown-menu.social-sharing a.email,.interface-controls #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing a.email,.interface-controls .sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing a.email,.interface-controls .social-sharing a.email,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing a.email,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing a.email{background-image:url(/static/images/email.60ea89b93003.png)}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .active .dropdown-menu.social-sharing,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .active .interface-controls .social-sharing,.active #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing,.active .dropdown-menu.social-sharing,.active .interface-controls #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing,.active .interface-controls .sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing,.active .interface-controls .social-sharing,.active .sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .active .dropdown-menu.social-sharing,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .active .interface-controls .social-sharing{opacity:1;visibility:visible}@media screen and (max-width:26.25em){#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing,.dropdown-menu.social-sharing,.interface-controls #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing,.interface-controls .sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing,.interface-controls .social-sharing,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .dropdown-menu.social-sharing,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .interface-controls .social-sharing{left:48px;right:0;-webkit-border-radius:0 2px 2px 0;border-radius:0 2px 2px 0;background-clip:padding-box;border-right:none;border-left:1px solid #777}}.addone{float:right}@media screen and (max-width:32.5em){.addone{float:left;margin-top:.25rem}}@media screen and (min-width:32.5625em) and (min-height:33.6875em){body{padding-top:26px}body.sidenav{padding-left:55px}}.topbar{background-color:#e6e6e6}a.skip{display:block;position:absolute;top:-1000px;left:-1000px;width:1px;height:1px;overflow:hidden;-moz-transition:all .2s ease-in-out;-webkit-transition:all .2s ease-in-out;-o-transition:all .2s ease-in-out;transition:all .2s ease-in-out}a.skip:active,a.skip:focus,a.skip:hover{padding:.625rem;position:fixed;z-index:5000;left:0;top:0;width:100%;height:auto;overflow:visible;background-color:#F65D22;color:#fff;text-align:center;text-decoration:none;font-size:12px}.touch .shortcuts{display:none}@media screen and (min-width:32.5em),screen and (max-height:33.75em){.topnav .l0{overflow:hidden;max-width:190px}.nav-collapsed .topnav .l0{max-width:55px}}.topnav{position:relative}.topnav:after,.topnav:before{content:" ";display:table}.topnav>li{float:left}.dropdown.usermenu,.searchbox{float:right}.topnav>li a{transition:all .15s ease-in-out}.topnav .flyout-parent .flyout .l2,.topnav>li a{-moz-transition:all .15s ease-in-out;-webkit-transition:all .15s ease-in-out;-o-transition:all .15s ease-in-out}.topnav>li a:focus,.topnav>li a:hover{color:#404040;background-color:#d8d8d8;text-decoration:none}.topnav .flyout-parent .flyout .l2{display:block;opacity:0;transition:all .15s ease-in-out;height:0;width:0;padding:0;position:relative;left:-999999px}.topnav .flyout-parent:hover .flyout .l2{height:50px;width:190px;padding:18px 18px 19px;opacity:1;left:0}.topnav .flyout-parent:hover a.l1{background-color:#f5f5f5}.topnav .flyout{display:block;position:absolute;left:190px;margin-top:-50px}.topnav .flyout li a{display:inline-block;width:190px;background-color:#e6e6e6;padding:18px 18px 19px}.topnav .flyout li a:hover{background-color:#d8d8d8}@media screen and (max-width:32.5em),screen and (max-height:33.75em){.topnav .flyout-parent .flyout .l2{opacity:1;height:50px;width:190px;padding:18px 18px 19px;left:43px}.topnav .flyout-parent:hover .flyout .l2{left:43px}.topnav .flyout-parent:hover a.l1{background-color:transparent!important}.topnav .flyout{position:relative;left:0;margin-top:0}.topnav .flyout li a{background-color:transparent;padding:18px 18px 19px 56px;width:100%}.topnav .flyout li a:hover{background-color:#999}}@media screen and (min-width:32.5625em){.topnav .l2{display:none}}@media screen and (max-height:33.75em){.topnav .l2{display:block}}.l2{padding:0 10px;display:inline-block}a.l0,a.l1,a.l2{display:block;color:#404040;font-size:13px;font-size:.8125rem;line-height:1em}.l0.active,.l1.active{background:#f5f5f5}.nav-dropdown{position:absolute;right:0;top:0}.drop-content{max-height:0;overflow:hidden;-moz-transition:max-height .3s ease-in-out;-webkit-transition:max-height .3s ease-in-out;-o-transition:max-height .3s ease-in-out;transition:max-height .3s ease-in-out}.dropdown.active .l0,.dropdown.active .l0:hover{color:#fff;background-color:#999}.dropdown .l0 svg{transform:rotate(180deg);-moz-transition:all .15s cubic-bezier(.86,0,.07,1);-webkit-transition:all .15s cubic-bezier(.86,0,.07,1);-o-transition:all .15s cubic-bezier(.86,0,.07,1);transition:all .15s cubic-bezier(.86,0,.07,1)}.dropdown.active .l0 svg{fill:#fff;transform:rotate(0)}.reading .dropdown.searchbox,.reading li.search{display:none}.dropdown.usermenu .drop-content{position:absolute;background-color:#999;z-index:30;right:0;top:61px;width:200px}.tooltip.bottom-right .tooltip-arrow,.tooltip.top-right .tooltip-arrow{right:5px}@media screen and (max-width:32.5em),screen and (max-height:33.75em){.l0{height:62px;line-height:1.75em!important}.wrap-search-form.active .drop-content{overflow:initial}.dropdown.active .drop-content{max-height:900px;padding-bottom:5px}.dropdown.active .drop-content a{color:#fff}.dropdown.active .drop-content a:focus,.dropdown.active .drop-content a:hover{background-color:#888!important}.dropdown.active .drop-content a.active{background-color:#777;color:#444}.dropdown.active .drop-content #js-shortcuts-info{display:none}.dropdown.active .drop-content ul.profile{border-top:1px solid #999;padding:0 0 0 .375rem;display:none}.dropdown.active .drop-content ul.profile li{margin:.625rem 0}.dropdown.active .drop-content ul.profile li a:focus,.dropdown.active .drop-content ul.profile li a:hover{background-color:transparent}.dropdown.active .drop-content ul.profile li .active{background-color:transparent;color:#fff}.dropdown.active .drop-content ul.profile li #nav-nag{color:#b3b3b3}.dropdown.active .drop-content ul.profile li #nav-nag a{text-decoration:none;color:#b3b3b3}.dropdown.active .drop-content ul.profile li #nav-nag a:focus,.dropdown.active .drop-content ul.profile li #nav-nag a:hover{color:#fff}}.autocomplete-suggestions{text-align:left;background-color:#FFF;-moz-box-shadow:1px 2px 3px #d5d5d5;-webkit-box-shadow:1px 2px 3px #d5d5d5;-o-box-shadow:1px 2px 3px #d5d5d5;box-shadow:1px 2px 3px #d5d5d5;border:1px solid #d5d5d5;color:#666;position:absolute;width:100%;z-index:9999;display:block}.autocomplete-suggestions:empty{border:none;-moz-box-shadow:0 0 0 transparent;-webkit-box-shadow:0 0 0 transparent;-o-box-shadow:0 0 0 transparent;box-shadow:0 0 0 transparent}.autocomplete-suggestions .autocomplete-suggestion{padding:.5rem 0 .5rem 1.25rem;line-height:1.25em}.autocomplete-suggestions .autocomplete-suggestion.autocomplete-selected,.autocomplete-suggestions .autocomplete-suggestion:focus,.autocomplete-suggestions .autocomplete-suggestion:hover{background-color:rgba(199,194,186,.15);color:#F65D22;cursor:pointer}.searchbox,.wrap-search-form{margin:.75rem 1.25rem 0;position:relative;z-index:8}.searchbox .search-form,.wrap-search-form .search-form{-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;z-index:8;position:relative;display:inline-block;border:1px solid #d5d5d5;background-color:#fff;margin:0}.searchbox .search-form.active,.searchbox .search-form:active,.searchbox .search-form:focus,.searchbox .search-form:hover,.wrap-search-form .search-form.active,.wrap-search-form .search-form:active,.wrap-search-form .search-form:focus,.wrap-search-form .search-form:hover{border:1px solid #F65D22}.searchbox .nav-search-in,.wrap-search-form .nav-search-in{-webkit-border-radius:2px 0 0 2px;border-radius:2px 0 0 2px;background-clip:padding-box;display:inline-block;background-color:#fff}.searchbox .search-query,.wrap-search-form .search-query{width:250px;height:28px;padding:3px 0 3px 3px;background-color:#fff;color:#333;white-space:nowrap;text-overflow:ellipsis;outline:0;border:none}.searchbox .search-query:focus::-webkit-input-placeholder,.wrap-search-form .search-query:focus::-webkit-input-placeholder{transition:opacity .35s .35s ease;opacity:0}.searchbox .search-button,.wrap-search-form .search-button{width:28px;height:28px;padding:0;color:#C7C2BA;vertical-align:middle;border:none}.searchbox .search-button span,.wrap-search-form .search-button span{display:none}.searchbox .search-button svg,.wrap-search-form .search-button svg{display:block;height:17px;width:28px;fill:#C7C2BA}.no-touch .searchbox .search-button:focus svg,.no-touch .searchbox .search-button:hover svg,.no-touch .wrap-search-form .search-button:focus svg,.no-touch .wrap-search-form .search-button:hover svg,.searchbox .search-button:active svg,.searchbox .search-button:focus svg,.searchbox .search-button:hover svg,.wrap-search-form .search-button:active svg,.wrap-search-form .search-button:focus svg,.wrap-search-form .search-button:hover svg{fill:#404040}@media screen and (max-width:32.5em),screen and (max-height:33.75em){.searchbox,.wrap-search-form{width:100%;background-color:#999;margin:-5px 0 0!important}.searchbox .search-form,.wrap-search-form .search-form{margin:12px 15px 5px;width:calc(100% - 30px)}.searchbox .search-query,.wrap-search-form .search-query{width:calc(100% - 153px)}}.nav-collapse{display:none}@media screen and (min-width:32.5625em) and (min-height:33.6875em){.searchbox .drop-content,.wrap-search-form .drop-content{max-height:999px;overflow:visible}body.nav-collapsed .topbar{width:55px;-moz-box-shadow:none;-webkit-box-shadow:none;-o-box-shadow:none;box-shadow:none}.topbar{width:190px;position:fixed;left:0;top:26px;height:100%;z-index:31;-moz-transition:width .1s ease-in-out;-webkit-transition:width .1s ease-in-out;-o-transition:width .1s ease-in-out;transition:width .1s ease-in-out;-moz-box-shadow:0 0 4px rgba(0,0,0,.1);-webkit-box-shadow:0 0 4px rgba(0,0,0,.1);-o-box-shadow:0 0 4px rgba(0,0,0,.1);box-shadow:0 0 4px rgba(0,0,0,.1)}.topbar a:before{top:4px;font-size:21px}.topbar [class*=ss-].l0 span{display:inline}.topbar .l0{width:100%}.topbar ul>li{width:auto;display:block}.topbar ul>li.search{display:none}.reading .topbar{top:0}.topnav .dropdown .drop-content{display:block;position:static;background-color:transparent;max-height:999px;width:100%;-moz-transition:none;-webkit-transition:none;-o-transition:none;transition:none}.page-head,.page-head:after{width:100%;display:inline-block}.last-item{margin-bottom:10px}.l2{padding-top:5px;padding-bottom:5px}.l2:focus,.l2:hover{background-color:transparent;color:#F65D22}.page-head{padding:0;background-color:#fff;z-index:999;text-align:justify;box-shadow:0 3px 4px -4px rgba(0,0,0,.2);height:55px}.page-head:after{content:''}.nav-collapse,.page-head h1{display:block;text-align:left}.page-head h1{font-size:18px;line-height:1.4em;margin:0 20px;padding:10px 150px 0 0;vertical-align:top;position:relative;top:3px;color:#777}.nav-collapse{background-color:transparent;position:absolute;bottom:0;left:0;padding:20px 0 15px;width:100%;-moz-transition:all .2s ease-in-out;-webkit-transition:all .2s ease-in-out;-o-transition:all .2s ease-in-out;transition:all .2s ease-in-out;-moz-box-shadow:none;-webkit-box-shadow:none;-o-box-shadow:none;box-shadow:none;-webkit-border-radius:0;border-radius:0;background-clip:padding-box;border:none;line-height:1;color:#9B9B9B;text-decoration:none;text-indent:20px;cursor:pointer}.nav-collapse:before{font-size:15px}.nav-collapse:focus,.nav-collapse:hover{background-color:#dadada!important}.nav-collapse:active{top:auto}}.tooltip.top .tooltip-arrow,.tooltip.top-left .tooltip-arrow,.tooltip.top-right .tooltip-arrow{bottom:0;border-top-color:#777;border-width:5px 5px 0}.gen-nav{background-color:#070707;width:100%;min-width:230px}.mknav,.tooltip.active .tooltip-inner{background-color:#F65D22}.gen-nav:after,.gen-nav:before{content:" ";display:table}.gen-nav a{color:#fff;padding:0 16px;display:block;text-decoration:none}.gen-nav .login,.gen-nav h1{font-size:16px;line-height:50px}.gen-nav h1{display:inline;margin:0;float:left}.gen-nav .login{float:right;color:#F65D22}.mknav{color:#070707;font-size:16px;padding:16px}.mknav li{display:inline;padding-right:.4em}.mknav li:before{padding-right:.4em;content:'/'}.mknav li:first-child:before{padding-right:0;content:''}.mknav li a{color:#fff;text-decoration:none}.mknav li a:focus,.mknav li a:hover{text-decoration:underline}.tooltip{position:absolute;z-index:1030;display:block;font-size:14px;line-height:1.4;opacity:0;filter:alpha(opacity=0);visibility:visible;white-space:nowrap}.tooltip.in{opacity:.9;filter:alpha(opacity=90)}.tooltip.top{padding:5px 0;margin-top:-3px}.tooltip.top .tooltip-arrow{left:50%;margin-left:-5px}.tooltip.top-left .tooltip-arrow{left:5px}.tooltip.right{padding:0 5px;margin-left:3px}.tooltip.right .tooltip-arrow{top:50%;left:0;margin-top:-5px;border-right-color:#777;border-width:5px 5px 5px 0}.tooltip.bottom .tooltip-arrow,.tooltip.bottom-left .tooltip-arrow,.tooltip.bottom-right .tooltip-arrow{top:0;border-bottom-color:#777;border-width:0 5px 5px}.tooltip.active.right .tooltip-arrow{border-right-color:#F65D22}.tooltip.bottom{padding:5px 0;margin-top:3px}.tooltip.bottom .tooltip-arrow{left:50%;margin-left:-5px}.tooltip.bottom-left .tooltip-arrow{left:5px}.tooltip.left{padding:0 5px;margin-left:-3px}.tooltip.left .tooltip-arrow{top:50%;right:0;margin-top:-5px;border-left-color:#777;border-width:5px 0 5px 5px}.tooltip-inner{max-width:300px;padding:5px 12px;color:#fff;text-align:center;text-decoration:none;background-color:#777;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box}.tooltip-arrow{position:absolute;width:0;height:0;border-color:transparent;border-style:solid}.fade{opacity:0;-webkit-transition:opacity .25s linear;transition:opacity .25s linear}.fade.in{opacity:1}.l1.no-icon{padding:16px 15px 16px 55px;white-space:nowrap}a.nav-icn{padding:15px 17px;white-space:nowrap}a.nav-icn svg{width:20px;height:20px;margin:0}a.nav-icn.l0 svg{margin:7px 0 0 2px}a.nav-icn.l0 span{display:none}a.nav-icn.l1 svg{margin:0 18px 0 2px;vertical-align:middle}a.nav-icn.l1 span{display:inline-block;vertical-align:middle}.usermenu{float:right}.usermenu .trigger{padding:16px 15px 19px 17px}.usermenu .trigger:hover{color:#404040;background-color:#d8d8d8;text-decoration:none}.usermenu .trigger.active{color:#fff;background-color:#999}.topnav a svg *{fill:#4A3B30}.topnav .usermenu a.l1 svg{fill:#fff}@media screen and (min-width:32.5625em) and (min-height:33.6875em){.dropdown.usermenu,.topnav>li{float:none}a.nav-icn.l0{width:auto}a.nav-icn.l0 svg,a.nav-icn.l1 svg{margin:0 18px 0 2px;vertical-align:middle}a.nav-icn.l0.safari-home svg{margin:0 16px 0 4px}a.nav-icn.l0 span,a.nav-icn.l1 span{display:inline-block;vertical-align:middle}a.nav-icn.safari-home{padding:22px 15px}a.nav-icn.safari-home span{padding-top:4px}.dropdown .trigger{display:none}.topnav .usermenu a.l1 svg *{fill:#4A3B30}}.articlelist{max-width:1600px;margin:0 auto 15px}.selected-card{outline-style:solid;outline-color:rgba(0,134,202,.25);-moz-box-shadow:0 0 0 3px rgba(0,134,202,.35);-webkit-box-shadow:0 0 0 3px rgba(0,134,202,.35);-o-box-shadow:0 0 0 3px rgba(0,134,202,.35);box-shadow:0 0 0 3px rgba(0,134,202,.35)}.articlelist>li{width:100%;height:100%;min-height:200px;background-color:#fff;display:inline-block;position:relative;margin-bottom:20px;vertical-align:top;border:1px solid #d5d5d5;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;-moz-transition:width .15s ease-in-out;-webkit-transition:width .15s ease-in-out;-o-transition:width .15s ease-in-out;transition:width .15s ease-in-out}.articlelist>li .position-link{text-decoration:none;float:right;font-size:12px;font-size:.75rem;letter-spacing:1px;position:relative;z-index:1}.articlelist>li .topic-display{clear:left}.articlelist>li.js-last-viewed span.expired{display:none}.articlelist>li.js-related .feedback.text{font-size:24px}.articlelist>li.js-related .feedback:before{top:35px}@media screen and (max-width:767px){.articlelist>li{width:100%}}@media screen and (min-width:768px) and (max-width:1279px){.articlelist>li{width:48.720703125%;margin-right:1.953125%}.articlelist>li:nth-child(2n+2){color:#fff;margin-right:0}}@media only screen and (min-width:1280px) and (max-width:1600px){.articlelist>li{width:31.5234375%;margin-right:2.34375%}.articlelist>li:nth-child(3n+3){margin-right:0}}@media only screen and (min-width:1601px){.articlelist>li{width:23.375%;margin-right:1.875%}.articlelist>li:nth-child(4n+4){margin-right:0}}.articlelist>li.more-container{display:block;width:100%;margin:0 auto;border:none;background-color:transparent;text-align:center}.news-block .articlelist>li{background:#fff}.news-block .articlelist>li p{font-size:14px}.feedback{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#FFF;background-color:rgba(255,255,255,.9);text-align:center;z-index:99}.feedback .text{font-size:28px;font-size:1.75rem;position:relative;top:50%;line-height:1.1em;color:rgba(64,64,64,.75);font-weight:300;font-style:normal;display:inline-block;width:95%}.feedback .canceled,.feedback .expired{display:block;color:rgba(64,64,64,.75);font-size:18px;margin-top:8px;line-height:1.25em}.feedback:before{font-size:36px;left:50%;margin-left:-21px;top:50%;margin-top:-50px;position:absolute}.feedback.added:before{color:#F65D22}.feedback.canceled:before,.feedback.error:before,.feedback.expired:before,.feedback.removed:before{color:#B2B4B3}.detail-book .feedback .text,.detail-video .feedback .text{font-size:32px;font-size:2rem;margin-top:20px}@media screen and (max-width:32.5em){.detail-book .feedback .text,.detail-video .feedback .text{font-size:26px;font-size:1.625rem}}.articlelist>li .info{text-align:left}.articlelist>li .info h2{margin:0;padding:15px 10px 10px;display:inline-block;color:#00B798}.articlelist>li .info .main{padding:0 .9375rem .9375rem;color:rgba(64,64,64,.75)}.articlelist>li .info .main:after,.articlelist>li .info .main:before{content:" ";display:table}.articlelist>li .info .main:after{clear:both}@media screen and (min-width:650px){.articlelist>li .info{width:100%;right:0;bottom:0}}@media screen and (min-width:1250px){.articlelist>li .info .main{padding:0 .625rem .625rem}}.title-block{display:block;text-decoration:none;font-size:18px;font-size:1.125rem;margin-bottom:.1875rem;line-height:20px;line-height:1.25rem}.book-title{margin-bottom:.3125rem;line-height:18px;line-height:1.125rem;font-size:13px;font-size:.8125rem}.book-title .issued{display:block;font-style:italic}.last-access{font-size:12px;color:#777;margin-bottom:10px}.articlelist>li .controls{min-height:45px;-webkit-touch-callout:none;-khtml-user-select:none;-ms-user-select:none;-moz-user-select:none;-webkit-user-select:none;-o-user-select:none;user-select:none;border-bottom:1px solid #d5d5d5;font-size:.1px;line-height:.1px;text-align:right;margin-bottom:10px;position:relative}.articlelist>li .controls .format-title{font-size:10px;display:block;color:rgba(64,64,64,.75);position:absolute;left:15px;top:50%}.articlelist>li .controls .format-title:before{font-family:SSFlow;font-size:11px;padding-right:3px;color:#C7C2BA;position:relative;top:2px}@media screen and (min-width:1250px){.articlelist>li .controls .format-title{left:10px}}.format-book .format-title:before{content:'\1F4D5'}.format-video .format-title:before{content:'\1F4F9'}.articlelist .rec-delete,.articlelist .rec-fav{-moz-padding:10px 12px 10px;-webkit-padding:10px 12px 10px;-o-padding:10px 12px 10px;padding:10px 12px;-moz-margin:3px;-webkit-margin:3px;-o-margin:3px;margin:3px}.rec-delete,.rec-fav{text-shadow:none;-moz-transition:all .15s ease-in-out;-webkit-transition:all .15s ease-in-out;-o-transition:all .15s ease-in-out;transition:all .15s ease-in-out;text-transform:lowercase;cursor:pointer;display:inline-block;text-align:center;-webkit-border-radius:0;border-radius:0;background-clip:padding-box}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .uppercase,.card-annotation .note,.progress,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .uppercase{text-transform:uppercase}.rec-delete.invalid,.rec-delete:disabled,.rec-fav.invalid,.rec-fav:disabled{background-color:transparent;color:rgba(64,64,64,.75)}.rec-delete:before,.rec-fav:before{vertical-align:middle;font-size:14px;font-size:.875rem}.rec-fav.active,.rec-fav.active:before{color:#F65D22}.no-touch button.rec-fav:focus{color:#999}.no-touch button.rec-delete:focus,.no-touch button.rec-delete:hover{color:#ea6d60}@media screen and (max-width:1250px){.no-touch .articlelist button.rec-delete:hover,.no-touch .articlelist button.rec-fav:hover{background-color:#EEE}}.progress .gridtc{display:table-cell;white-space:nowrap}.progress{font-size:12px;font-size:.75rem;display:block;margin:0;color:rgba(64,64,64,.65);letter-spacing:1px}.progress .bar,.progress .prog-text{vertical-align:middle;display:table-cell}.progress .bar{width:100%}.progress .prog-text{white-space:nowrap;padding-left:10px}.progress .per,.progress .per .time{background-clip:padding-box;display:block;height:8px}.progress .per{-webkit-border-radius:2px;border-radius:2px;background-color:#d5d5d5;padding:0}.progress .per .time{margin:0;-webkit-border-radius:2px;border-radius:2px;background-color:#999082}.sort-box{font-size:20px;line-height:1.3em;margin-bottom:1em;text-align:right;color:#777;font-weight:300}.recommended-reason .book-title,.recommended-reason .book-title .topic-display li{font-size:14px}@media screen and (min-width:40.625em){.sort-box{max-width:650px}}@media screen and (min-width:96.125em){.sort-box{max-width:1315px}}@media screen and (min-width:137.5625em){.sort-box{max-width:1975px}}@media screen and (min-width:179em){.sort-box{max-width:2635px}}@media screen and (min-width:220.4375em){.sort-box{max-width:100%}}.recommended-reason{padding:5px 15px;background-color:#F7F7F7;border-top:1px solid #d5d5d5;color:#999}.recommended-reason .book-title a{color:rgba(64,64,64,.75);text-decoration:underline}.chat-wrapper a,.chat-wrapper a:hover,.chat-wrapper input.sales-chat-btn:focus,.chat-wrapper input.sales-chat-btn:hover{text-decoration:none}.recommended-reason .book-title a:focus,.recommended-reason .book-title a:hover{color:#F65D22}.topic-display li{display:inline-block;font-size:12px;font-size:.75rem;color:#777}.topic-display li .topic{color:#F65D22}.topic-display li:after{color:#ccc;content:' / '}.topic-display li:last-child:after,[class*=hex-] .topic-display li:after{content:''}@-webkit-keyframes $animationName{0%{-moz-transform:translateY(100%);-webkit-transform:translateY(100%);-o-transform:translateY(100%);transform:translateY(100%)}100%{-moz-transform:translateY(0);-webkit-transform:translateY(0);-o-transform:translateY(0);transform:translateY(0)}}@-moz-keyframes $animationName{0%{-moz-transform:translateY(100%);-webkit-transform:translateY(100%);-o-transform:translateY(100%);transform:translateY(100%)}100%{-moz-transform:translateY(0);-webkit-transform:translateY(0);-o-transform:translateY(0);transform:translateY(0)}}@-o-keyframes $animationName{0%{-moz-transform:translateY(100%);-webkit-transform:translateY(100%);-o-transform:translateY(100%);transform:translateY(100%)}100%{-moz-transform:translateY(0);-webkit-transform:translateY(0);-o-transform:translateY(0);transform:translateY(0)}}@keyframes $animationName{0%{-moz-transform:translateY(100%);-webkit-transform:translateY(100%);-o-transform:translateY(100%);transform:translateY(100%)}100%{-moz-transform:translateY(0);-webkit-transform:translateY(0);-o-transform:translateY(0);transform:translateY(0)}}.trial-banner{background-color:#fff;margin:0 20px 20px;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;text-align:center;padding:15px;border:1px solid rgba(0,0,0,.2);-webkit-box-shadow:0 0 10px #ccc;box-shadow:0 0 10px #ccc}.trial-banner h1{font-size:38px;font-size:2.375rem;font-weight:400;margin-bottom:0;line-height:1.15em}@media screen and (max-width:53.125em){.trial-banner h1{font-size:35px;font-size:2.1875rem}}.trial-banner p{font-size:24px;font-size:1.5rem;font-weight:300;color:#999;margin-bottom:1em;line-height:1.1em}.trial-banner.trial-expired{padding:15px 0}.trial-banner.trial-expired h1{font-size:26px;font-size:1.625rem}@media screen and (max-width:32.5625em){.trial-banner.trial-expired h1{font-size:21px;font-size:1.3125rem}}.trial-banner .red-banner{background-color:#ea6d60;color:#FFF;padding:15px 10% 25px;font-weight:300;margin-bottom:20px}.js-disable-shortcuts label{display:inline-block;margin:0 0 0 10px}.keyboard-shortcuts-pane{font-family:"source sans pro",Helvetica,Arial,sans-serif!important;overflow:hidden;clear:both}.keyboard-shortcuts-pane .inner .headline{border-bottom:1px solid #CCC;padding:.375rem 0;-webkit-border-radius:2px 2px 0 0;border-radius:2px 2px 0 0;background-clip:padding-box;height:50px}.keyboard-shortcuts-pane .inner .headline h2{margin:0;color:#777;font-size:21px;font-size:1.3125rem;padding:.625rem;line-height:1em;float:left!important}.keyboard-shortcuts-pane .inner .headline .js-close{width:20px;height:20px;display:block;float:right;font-size:21px;font-size:1.3125rem;margin:.6875rem .9375rem 0;color:#999;text-decoration:none;line-height:1em}.keyboard-shortcuts-pane .inner .headline .js-close:focus,.keyboard-shortcuts-pane .inner .headline .js-close:hover{color:#666}.keyboard-shortcuts-pane .inner .headline .js-close span{display:block;text-indent:-99999px}.keyboard-shortcuts-pane .inner h4{margin:0;font-size:18px;font-size:1.125rem;color:#777}.keyboard-shortcuts-pane .inner .disable-shortcuts{clear:both;padding:0 0 .625rem 1.25rem;font-size:smaller}.keyboard-shortcuts-pane .inner.popup{color:#777;top:100px;min-height:250px;-moz-transition:height .15s ease-in-out;-webkit-transition:height .15s ease-in-out;-o-transition:height .15s ease-in-out;transition:height .15s ease-in-out;border:1px solid #b3b3b3!important}@media screen and (max-width:620px){.keyboard-shortcuts-pane .inner{display:none}}.keyboard-shortcuts-pane .inner .tooltip-inner{max-width:100%!important;width:100%}.keyboard-shortcuts-pane .inner .column{width:50%}.keyboard-shortcuts-pane .inner .column.right{float:right;padding:.625rem 2.5rem 1.25rem 0}.keyboard-shortcuts-pane .inner .column.left{padding:.625rem 0 1.25rem 2.5rem;float:left}.keyboard-shortcuts-pane .inner .key{padding:.3125rem .375rem;color:#777;font-family:Monaco,"Liberation Mono",Courier,monospace;line-height:1;display:inline-block;font-size:12px;font-size:.75rem;-webkit-border-radius:2px;border-radius:2px;background:#d8d8d8;background:-moz-linear-gradient(top,#d8d8d8 0,#f2f2f2 100%);background:-webkit-gradient(linear,left top,left bottom,color-stop(0,#d8d8d8),color-stop(100%,#f2f2f2));background:-webkit-linear-gradient(top,#d8d8d8 0,#f2f2f2 100%);background:-o-linear-gradient(top,#d8d8d8 0,#f2f2f2 100%);background:-ms-linear-gradient(top,#d8d8d8 0,#f2f2f2 100%);background:linear-gradient(to bottom,#d8d8d8 0,#f2f2f2 100%);filter:progid:DXImageTransform.Microsoft.gradient( startColorstr='#d8d8d8', endColorstr='#f2f2f2', GradientType=0 );box-shadow:inset 0 1px 0 #fff,0 1px 0 #ccc;-webkit-box-shadow:inset 0 1px 0 #fff,0 1px 0 #ccc;border:1px solid #CCC}.keyboard-shortcuts-pane .inner td,.keyboard-shortcuts-pane .inner th{display:table-cell}.keyboard-shortcuts-pane .inner tr{display:table-row;vertical-align:inherit;border-color:inherit}.keyboard-shortcuts-pane .inner th{text-align:left;color:#00b78a;font-weight:700;padding:.625rem 0}.keyboard-shortcuts-pane .inner td{padding:.1875rem 0;vertical-align:top;line-height:20px;line-height:1.25rem;font-size:16px;font-size:1rem}.keyboard-shortcuts-pane .inner td.keys{text-align:right;padding-right:10px;white-space:nowrap}.chat-wrapper{position:fixed;z-index:1000;color:#fff;font-size:16px;font-size:1rem}.chat-wrapper input.sales-chat-btn{-webkit-border-radius:2px 0 0 2px;border-radius:2px 0 0 2px;background-clip:padding-box;cursor:pointer;display:block!important;white-space:normal}.chat-wrapper input:focus{box-shadow:none;border:none}.subscribe-nag .chat-wrapper{visibility:hidden}@media screen and (min-width:450px){.chat-wrapper{right:0;bottom:50%!important;margin-bottom:-107px;display:block}.chat-wrapper.slideUp{visibility:visible!important}.chat-wrapper input.sales-chat-btn{background:url(/static/images/sales-chat.b34d45f2713c.svg) 25px 158px no-repeat #F65D22;background-size:40px;width:90px;height:215px;padding:12px 9px 81px;font:400 1.05em/1.38 'Source Sans Pro'}.expanded .live-agent{width:188px;margin:0 auto;display:block;position:relative}.expanded .live-agent:before{content:url(/static/images/sales-chat.b34d45f2713c.svg);position:absolute;left:8px;top:13px;z-index:10}.expanded .live-agent input{white-space:normal;background:no-repeat #F65D22;background-size:36px;padding-left:60px;text-align:left;line-height:1em;transition:all 0 linear 0s}.expanded .live-agent input:focus,.expanded .live-agent input:hover{background:#F65D22;background-image:-moz-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:-webkit-gradient(linear,left top,left bottom,color-stop(0,#F5C517),color-stop(100%,#F65D22));background-image:-webkit-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:-o-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:-ms-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:linear-gradient(to bottom,#F5C517 0,#F65D22 100%);text-decoration:none!important;background-size:100%}}@media screen and (max-width:449px){.chat-wrapper{bottom:0;left:50%;padding:0;margin-left:-25.5%;width:50%;position:fixed}.chat-wrapper input.sales-chat-btn{background:url(/static/images/sales-chat.b34d45f2713c.svg) 9px 15px no-repeat #F65D22;-webkit-border-radius:2px 2px 0 0;border-radius:2px 2px 0 0;background-clip:padding-box;margin-left:5px;font:400 .95em/1.1 'Source Sans Pro';text-align:left;padding:.0125rem .65rem 0 2.75rem;background-size:25px;height:60px}.chat-wrapper.slideUp{bottom:-70px!important;visibility:visible!important}.register .chat-wrapper{display:none}.subscribe-nag .expanded .live-agent{width:172px;margin:0 auto;display:block}.subscribe-nag .expanded .live-agent input{white-space:normal;background:url(/static/images/sales-chat.b34d45f2713c.svg) 9px 12px no-repeat #F65D22;background-size:36px;padding:10px 9px 10px 55px;text-align:left;line-height:1em;margin:.25rem 0 .625rem!important}.subscribe-nag .chat-wrapper{bottom:-300%;position:absolute;left:0;margin:0}}.legal-agreement-details{color:#000;margin:15px 0}.cover{display:inline-block}.cover a,.cover img,.cover span{display:block}.cover a{position:relative;max-width:100%}.cover img{max-width:100%;height:auto;box-shadow:2px 0 6px 0 rgba(0,0,0,.2)}.detail-video .cover a:before,.format-case-study .cover a:before,.format-learning-path .cover a:before,.format-video .cover a:before{content:'';background:url(/static/images/icon__cover-image__media-type--video.a76cad93c7f6.svg) center center no-repeat;position:absolute;height:40px;width:40px;line-height:50px;margin-top:-20px;margin-left:-20px;top:50%;left:50%;text-align:center;text-indent:3px;text-decoration:none;z-index:1}.detail-video .cover a:before{height:50px;width:50px;margin:-25px 0 0 -25px;background-size:100%}.format-case-study .cover a:before{height:17px;width:17px;margin:15px 0 0 15px;background-size:100%}.results-list .cover{float:left;margin-left:-75px}.results-list .cover img{max-width:60px}@media (min-width:450px){.results-list .cover{margin-left:-90px}.results-list .cover img{max-width:73px;width:73px}}.articlelist>li.format-video .cover{max-width:122px;max-width:7.625rem;height:70px;overflow:hidden}.display-modal-view,.modal-view{display:none;overflow:scroll;position:absolute;z-index:99}.articlelist>li.format-video .cover a{max-height:70px}.articlelist>li .cover{float:left;width:100%;max-width:65px;max-width:4.0625rem;margin:.125rem .9375rem .3125rem 0}.articlelist>li .cover a{border:1px solid transparent}.articlelist>li .cover a:focus{border:1px solid #F65D22}@font-face{font-family:"Stag Sans";src:url(/static/fonts/StagSans-Light-Web.dc285b98d7a4.woff) format("opentype");font-weight:100;font-style:normal}@font-face{font-family:"Stag Sans";src:url(/static/fonts/StagSans-Book-Web.31c8d367698b.woff) format("opentype");font-weight:400;font-style:normal}@font-face{font-family:"Stag Sans";src:url(/static/fonts/StagSans-Bold-Web.8db395cead3c.woff) format("opentype");font-weight:700;font-style:normal}@font-face{font-family:"Stag Web";src:url(/static/fonts/Stag-Light-Web.fbb273737603.woff) format("opentype");font-weight:100;font-style:normal}@font-face{font-family:"Stag Web";src:url(/static/fonts/Stag-Book-Web.53c49737b233.woff) format("opentype");font-weight:400;font-style:normal}@font-face{font-family:"Stag Web";src:url(/static/fonts/Stag-Bold-Web.5522801745aa.woff) format("opentype");font-weight:700;font-style:normal}.display-modal-view{text-align:center;background:#fff;border:1px solid #d5d6d2;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;width:650px;top:10%;left:50%;margin-left:-325px;font-family:'source sans pro',sans-serif}@media screen and (max-width:620px){.display-modal-view{width:95%;margin:0 2.5%!important;left:0!important}}.display-modal-view button.close-display-modal{position:absolute;top:0;right:0;padding:10px;border:none}.display-modal-view button.close-display-modal:before{font-family:SSFlow;font-size:14px;content:'\2421';color:#777}.display-modal-view button.close-display-modal:hover{text-decoration:none}.display-modal-view h2.modal__title{font-size:36px;font-size:2.25rem;padding:1rem;font-weight:300;line-height:1.3;margin:0;color:#404040}.display-modal-view p.modal__body,.display-modal-view p.modal__document,.modal-view h2.modal__title{padding:1rem;font-weight:300;line-height:1.3;color:#777}.display-modal-view p.modal__body{font-size:24px;font-size:1.5rem;margin:0}.display-modal-view p.modal__document{font-size:16px;font-size:1rem;margin:0}.display-modal-view p.modal__document cite{font-style:italic}.display-modal-view div.modal__controls{margin-bottom:1rem}.modal-view{text-align:left;background:#fff;border:1px solid #d5d6d2;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;width:650px;top:30%;left:50%;margin-left:-325px}#sbo-rt-content .annotator-wrapper .annotator-hide,.annotator-notice,.sbo-inpage-toc .annotator-wrapper .annotator-hide{display:none!important}@media screen and (max-width:620px){.modal-view{width:95%;margin:0 2.5%!important;left:0!important}}.modal-view h2.modal__title{font-size:24px;font-size:1.5rem;border-bottom:1px solid #d5d5d5;margin:0}.modal-view .modal__content form fieldset{padding:0 1rem 1rem}.modal-view .modal__content form fieldset label{font-size:16px;font-size:1rem}.modal-view .modal__content form fieldset input{width:100%;max-width:100%}.modal-view .modal__controls{float:right}@-webkit-keyframes $animationName{0%{-moz-transform:scale(0);-webkit-transform:scale(0);-o-transform:scale(0);transform:scale(0);opacity:0}60%{-moz-transform:scale(1.1);-webkit-transform:scale(1.1);-o-transform:scale(1.1);transform:scale(1.1)}80%{-moz-transform:scale(.9);-webkit-transform:scale(.9);-o-transform:scale(.9);transform:scale(.9);opacity:1}100%{-moz-transform:scale(1);-webkit-transform:scale(1);-o-transform:scale(1);transform:scale(1);opacity:1}}@-moz-keyframes $animationName{0%{-moz-transform:scale(0);-webkit-transform:scale(0);-o-transform:scale(0);transform:scale(0);opacity:0}60%{-moz-transform:scale(1.1);-webkit-transform:scale(1.1);-o-transform:scale(1.1);transform:scale(1.1)}80%{-moz-transform:scale(.9);-webkit-transform:scale(.9);-o-transform:scale(.9);transform:scale(.9);opacity:1}100%{-moz-transform:scale(1);-webkit-transform:scale(1);-o-transform:scale(1);transform:scale(1);opacity:1}}@-o-keyframes $animationName{0%{-moz-transform:scale(0);-webkit-transform:scale(0);-o-transform:scale(0);transform:scale(0);opacity:0}60%{-moz-transform:scale(1.1);-webkit-transform:scale(1.1);-o-transform:scale(1.1);transform:scale(1.1)}80%{-moz-transform:scale(.9);-webkit-transform:scale(.9);-o-transform:scale(.9);transform:scale(.9);opacity:1}100%{-moz-transform:scale(1);-webkit-transform:scale(1);-o-transform:scale(1);transform:scale(1);opacity:1}}@keyframes $animationName{0%{-moz-transform:scale(0);-webkit-transform:scale(0);-o-transform:scale(0);transform:scale(0);opacity:0}60%{-moz-transform:scale(1.1);-webkit-transform:scale(1.1);-o-transform:scale(1.1);transform:scale(1.1)}80%{-moz-transform:scale(.9);-webkit-transform:scale(.9);-o-transform:scale(.9);transform:scale(.9);opacity:1}100%{-moz-transform:scale(1);-webkit-transform:scale(1);-o-transform:scale(1);transform:scale(1);opacity:1}}.menu-dropdown-region li.is-fetching a,.pdf #sbo-rt-content .annotator-wrapper .annotator-hl{opacity:.65}@-webkit-keyframes $animationName{0%{-moz-transform:scaleX(.3);-webkit-transform:scaleX(.3);-o-transform:scaleX(.3);transform:scaleX(.3)}40%{-moz-transform:scaleX(1.02);-webkit-transform:scaleX(1.02);-o-transform:scaleX(1.02);transform:scaleX(1.02)}60%{-moz-transform:scaleX(.98);-webkit-transform:scaleX(.98);-o-transform:scaleX(.98);transform:scaleX(.98)}80%{-moz-transform:scaleX(1.01);-webkit-transform:scaleX(1.01);-o-transform:scaleX(1.01);transform:scaleX(1.01)}100%{-moz-transform:scaleX(1);-webkit-transform:scaleX(1);-o-transform:scaleX(1);transform:scaleX(1)}}@-moz-keyframes $animationName{0%{-moz-transform:scaleX(.3);-webkit-transform:scaleX(.3);-o-transform:scaleX(.3);transform:scaleX(.3)}40%{-moz-transform:scaleX(1.02);-webkit-transform:scaleX(1.02);-o-transform:scaleX(1.02);transform:scaleX(1.02)}60%{-moz-transform:scaleX(.98);-webkit-transform:scaleX(.98);-o-transform:scaleX(.98);transform:scaleX(.98)}80%{-moz-transform:scaleX(1.01);-webkit-transform:scaleX(1.01);-o-transform:scaleX(1.01);transform:scaleX(1.01)}100%{-moz-transform:scaleX(1);-webkit-transform:scaleX(1);-o-transform:scaleX(1);transform:scaleX(1)}}@-o-keyframes $animationName{0%{-moz-transform:scaleX(.3);-webkit-transform:scaleX(.3);-o-transform:scaleX(.3);transform:scaleX(.3)}40%{-moz-transform:scaleX(1.02);-webkit-transform:scaleX(1.02);-o-transform:scaleX(1.02);transform:scaleX(1.02)}60%{-moz-transform:scaleX(.98);-webkit-transform:scaleX(.98);-o-transform:scaleX(.98);transform:scaleX(.98)}80%{-moz-transform:scaleX(1.01);-webkit-transform:scaleX(1.01);-o-transform:scaleX(1.01);transform:scaleX(1.01)}100%{-moz-transform:scaleX(1);-webkit-transform:scaleX(1);-o-transform:scaleX(1);transform:scaleX(1)}}@keyframes $animationName{0%{-moz-transform:scaleX(.3);-webkit-transform:scaleX(.3);-o-transform:scaleX(.3);transform:scaleX(.3)}40%{-moz-transform:scaleX(1.02);-webkit-transform:scaleX(1.02);-o-transform:scaleX(1.02);transform:scaleX(1.02)}60%{-moz-transform:scaleX(.98);-webkit-transform:scaleX(.98);-o-transform:scaleX(.98);transform:scaleX(.98)}80%{-moz-transform:scaleX(1.01);-webkit-transform:scaleX(1.01);-o-transform:scaleX(1.01);transform:scaleX(1.01)}100%{-moz-transform:scaleX(1);-webkit-transform:scaleX(1);-o-transform:scaleX(1);transform:scaleX(1)}}@-webkit-keyframes $animationName{0%{-moz-transform:translateY(100%) scale(0) scaleY(0);-webkit-transform:translateY(100%) scale(0) scaleY(0);-o-transform:translateY(100%) scale(0) scaleY(0);transform:translateY(100%) scale(0) scaleY(0)}100%{-moz-transform:translateY(0) scale(1) scaleY(1);-webkit-transform:translateY(0) scale(1) scaleY(1);-o-transform:translateY(0) scale(1) scaleY(1);transform:translateY(0) scale(1) scaleY(1)}}@-moz-keyframes $animationName{0%{-moz-transform:translateY(100%) scale(0) scaleY(0);-webkit-transform:translateY(100%) scale(0) scaleY(0);-o-transform:translateY(100%) scale(0) scaleY(0);transform:translateY(100%) scale(0) scaleY(0)}100%{-moz-transform:translateY(0) scale(1) scaleY(1);-webkit-transform:translateY(0) scale(1) scaleY(1);-o-transform:translateY(0) scale(1) scaleY(1);transform:translateY(0) scale(1) scaleY(1)}}@-o-keyframes $animationName{0%{-moz-transform:translateY(100%) scale(0) scaleY(0);-webkit-transform:translateY(100%) scale(0) scaleY(0);-o-transform:translateY(100%) scale(0) scaleY(0);transform:translateY(100%) scale(0) scaleY(0)}100%{-moz-transform:translateY(0) scale(1) scaleY(1);-webkit-transform:translateY(0) scale(1) scaleY(1);-o-transform:translateY(0) scale(1) scaleY(1);transform:translateY(0) scale(1) scaleY(1)}}@keyframes $animationName{0%{-moz-transform:translateY(100%) scale(0) scaleY(0);-webkit-transform:translateY(100%) scale(0) scaleY(0);-o-transform:translateY(100%) scale(0) scaleY(0);transform:translateY(100%) scale(0) scaleY(0)}100%{-moz-transform:translateY(0) scale(1) scaleY(1);-webkit-transform:translateY(0) scale(1) scaleY(1);-o-transform:translateY(0) scale(1) scaleY(1);transform:translateY(0) scale(1) scaleY(1)}}#sbo-rt-content,.sbo-inpage-toc{position:static!important;-webkit-transform:none}#sbo-rt-content .annotator-wrapper,.sbo-inpage-toc .annotator-wrapper{margin:0}#sbo-rt-content .annotator-wrapper .annotator-hl,.sbo-inpage-toc .annotator-wrapper .annotator-hl{background-color:#FFE34F}#sbo-rt-content .annotator-wrapper .annotator-hl-has-note,.sbo-inpage-toc .annotator-wrapper .annotator-hl-has-note{position:relative}#sbo-rt-content .annotator-wrapper .annotator-hl-has-note:before,.sbo-inpage-toc .annotator-wrapper .annotator-hl-has-note:before{content:'•';font-size:40px;position:absolute;left:-8px;top:0;line-height:0;color:#F65D22;-moz-box-shadow:1px 3px 6px 1px rgba(0,0,0,.8);-webkit-box-shadow:1px 3px 6px 1px rgba(0,0,0,.8);-o-box-shadow:1px 3px 6px 1px rgba(0,0,0,.8);box-shadow:1px 3px 6px 1px rgba(0,0,0,.8)}#sbo-rt-content .annotator-wrapper .annotator-item,.sbo-inpage-toc .annotator-wrapper .annotator-item{list-style-type:none;margin-left:0;clear:both}#sbo-rt-content .annotator-wrapper .annotator-item input.disabled,#sbo-rt-content .annotator-wrapper .annotator-item label.disabled,.sbo-inpage-toc .annotator-wrapper .annotator-item input.disabled,.sbo-inpage-toc .annotator-wrapper .annotator-item label.disabled{opacity:.25}#sbo-rt-content .annotator-wrapper .animateIn,.sbo-inpage-toc .annotator-wrapper .animateIn{animation-name:animateIn;-webkit-animation-name:animateIn;animation-duration:.15s;-webkit-animation-duration:.15s;animation-timing-function:ease-in-out;-webkit-animation-timing-function:ease-in-out;visibility:visible}#sbo-rt-content .annotator-wrapper .stretchRight,.sbo-inpage-toc .annotator-wrapper .stretchRight{animation-name:stretchRight;-webkit-animation-name:stretchRight;animation-duration:.3s;-webkit-animation-duration:.3s;animation-timing-function:ease-out;-webkit-animation-timing-function:ease-out;transform-origin:0 0;-ms-transform-origin:0 0;-webkit-transform-origin:0 0}#sbo-rt-content .annotator-wrapper .expandUp,.sbo-inpage-toc .annotator-wrapper .expandUp{animation-name:expandUp;-webkit-animation-name:expandUp;animation-duration:.2s;-webkit-animation-duration:.2s;animation-timing-function:ease;-webkit-animation-timing-function:ease;visibility:visible!important}#sbo-rt-content .annotator-wrapper .annotator-touch-controls,#sbo-rt-content .annotator-wrapper .annotator-viewer.viewer,.sbo-inpage-toc .annotator-wrapper .annotator-touch-controls,.sbo-inpage-toc .annotator-wrapper .annotator-viewer.viewer{position:absolute;margin:0;padding:0;background-color:transparent}.js-playlist-icon,.js-playlist-icon:disabled,.js-playlist-icon:disabled:focus,.js-playlist-icon:disabled:hover{background-color:transparent!important}#sbo-rt-content .annotator-wrapper .annotator-touch-controls div,#sbo-rt-content .annotator-wrapper .annotator-viewer.viewer div,.sbo-inpage-toc .annotator-wrapper .annotator-touch-controls div,.sbo-inpage-toc .annotator-wrapper .annotator-viewer.viewer div{display:none}#sbo-rt-content .annotator-wrapper .annotator-touch-controls .annotator-widget,#sbo-rt-content .annotator-wrapper .annotator-viewer.viewer .annotator-widget,.sbo-inpage-toc .annotator-wrapper .annotator-touch-controls .annotator-widget,.sbo-inpage-toc .annotator-wrapper .annotator-viewer.viewer .annotator-widget{margin-top:0!important}#sbo-rt-content .annotator-wrapper .toggle_public ul,.sbo-inpage-toc .annotator-wrapper .toggle_public ul{margin:0;padding:0}#sbo-rt-content .annotator-wrapper .toggle_public ul li,.sbo-inpage-toc .annotator-wrapper .toggle_public ul li{font-family:'Source Sans Pro',arial,sans-serif;font-size:.9em!important;list-style-type:none;margin:0 10px 0 0!important;float:left;color:#404040}#sbo-rt-content .annotator-wrapper .toggle_public ul li input+span,.sbo-inpage-toc .annotator-wrapper .toggle_public ul li input+span{opacity:.75;font-size:15px;margin-left:5px}#sbo-rt-content .annotator-wrapper .toggle_public ul li input:checked+span,.sbo-inpage-toc .annotator-wrapper .toggle_public ul li input:checked+span{opacity:1}#sbo-rt-content .annotator-wrapper .toggle_public ul li label.disabled,.sbo-inpage-toc .annotator-wrapper .toggle_public ul li label.disabled{opacity:.25}#sbo-rt-content .annotator-wrapper .editor_section,.sbo-inpage-toc .annotator-wrapper .editor_section{font-family:'Source Sans Pro',arial,sans-serif;font-size:.9em!important;margin-top:40px!important;padding-top:10px;border-top:1px solid #CCC}#sbo-rt-content .annotator-wrapper .editor_section label,.sbo-inpage-toc .annotator-wrapper .editor_section label{display:inline-block;margin-left:10px}#sbo-rt-content .annotator-wrapper small.error,.sbo-inpage-toc .annotator-wrapper small.error{color:red!important}#sbo-rt-content .annotator-wrapper .annotator-view-click,.sbo-inpage-toc .annotator-wrapper .annotator-view-click{margin:0!important}#sbo-rt-content .annotator-wrapper .annotator-listing,.sbo-inpage-toc .annotator-wrapper .annotator-listing{padding-left:0!important}#sbo-rt-content .annotator-wrapper .annotator-adder,#sbo-rt-content .annotator-wrapper .annotator-view-clicker,.sbo-inpage-toc .annotator-wrapper .annotator-adder,.sbo-inpage-toc .annotator-wrapper .annotator-view-clicker{position:absolute!important;height:auto;width:100%;background-color:transparent!important;padding:0;margin:0}#sbo-rt-content .annotator-wrapper .annotator-adder ul,#sbo-rt-content .annotator-wrapper .annotator-view-clicker ul,.sbo-inpage-toc .annotator-wrapper .annotator-adder ul,.sbo-inpage-toc .annotator-wrapper .annotator-view-clicker ul{margin:0!important;padding:3px 5px!important;background-color:#FFF;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;-moz-box-shadow:0 2px 5px 2px rgba(0,0,0,.2);-webkit-box-shadow:0 2px 5px 2px rgba(0,0,0,.2);-o-box-shadow:0 2px 5px 2px rgba(0,0,0,.2);box-shadow:0 2px 5px 2px rgba(0,0,0,.2);border:1px solid #CCC;float:left}#sbo-rt-content .annotator-wrapper .annotator-adder ul li,#sbo-rt-content .annotator-wrapper .annotator-view-clicker ul li,.sbo-inpage-toc .annotator-wrapper .annotator-adder ul li,.sbo-inpage-toc .annotator-wrapper .annotator-view-clicker ul li{list-style-type:none;list-style-image:none;float:left;margin:0!important}#sbo-rt-content .annotator-wrapper .annotator-adder ul li:last-child a,#sbo-rt-content .annotator-wrapper .annotator-view-clicker ul li:last-child a,.sbo-inpage-toc .annotator-wrapper .annotator-adder ul li:last-child a,.sbo-inpage-toc .annotator-wrapper .annotator-view-clicker ul li:last-child a{border-right:none}#sbo-rt-content .annotator-wrapper .annotator-adder ul li a,#sbo-rt-content .annotator-wrapper .annotator-view-clicker ul li a,.sbo-inpage-toc .annotator-wrapper .annotator-adder ul li a,.sbo-inpage-toc .annotator-wrapper .annotator-view-clicker ul li a{border:none;padding:5px 10px;color:#256595;font-family:'Source Sans Pro',arial,sans-serif;font-size:15px;font-weight:600}#sbo-rt-content .annotator-wrapper .annotator-adder ul li a:hover,#sbo-rt-content .annotator-wrapper .annotator-view-clicker ul li a:hover,.sbo-inpage-toc .annotator-wrapper .annotator-adder ul li a:hover,.sbo-inpage-toc .annotator-wrapper .annotator-view-clicker ul li a:hover{color:#002776!important;text-decoration:underline!important}#sbo-rt-content .annotator-wrapper .annotator-viewer,.sbo-inpage-toc .annotator-wrapper .annotator-viewer{width:100%}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper{background-color:#FFF!important;position:absolute;z-index:29;width:100%;max-width:650px;margin-left:-322px!important;left:50%!important;-moz-transition:height .15s ease-in-out;-webkit-transition:height .15s ease-in-out;-o-transition:height .15s ease-in-out;transition:height .15s ease-in-out;background:url(/static/images/loading.6b1710a5f2bc.gif) center center no-repeat #fff;display:none;color:#404040!important;right:auto!important;top:130px;height:auto!important;border:1px solid #b3b3b3!important;-moz-radius:all 5px;-webkit-radius:all 5px;-o-radius:all 5px;radius:all 5px;-moz-box-shadow:0 3px 0 #e6e6e6;-webkit-box-shadow:0 3px 0 #e6e6e6;-o-box-shadow:0 3px 0 #e6e6e6;box-shadow:0 3px 0 #e6e6e6;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;font-size:100%!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper code,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper li,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper p,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper code,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper li,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper p{color:#404040!important;background-color:#FFF!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper div,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper div{margin:0!important;background-color:#FFF!important}@media screen and (max-width:53.125em) and (min-width:45.0625em){#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper{max-width:80%!important;margin-left:0!important;left:10%!important}}@media screen and (max-width:45em){#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper{position:absolute!important;max-width:100%!important;left:0!important;margin-left:0!important;padding-bottom:10px}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .editor,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .editor{float:left;height:100%;position:static!important;top:0!important}}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .left,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .right,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .left,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .right{margin:0!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget{background-color:#fff!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-media .left,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-media .left{line-height:1.3em}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-media .left a,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-media .left a{margin-top:10px;display:block;font-size:.8em;line-height:1.3em}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-outer>.title,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-outer>.title{padding:0 15px 10px!important;margin:10px 0 0!important;border-bottom:1px solid #ddd!important;font:500 1.5em/1.38 'Source Sans Pro';color:#777!important;background-color:#FFF!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .row,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .row{border-top:1px solid #ddd!important;padding:8px 0;display:block;float:left;width:100%}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .row.delete-highlight,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .row.delete-highlight{padding:18px 0 8px}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .indent,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .indent{padding:0 20px;margin-bottom:15px}@media screen and (max-width:32.5625em){#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .indent,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .indent{padding:0}}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper h4,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper small,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper h4,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper small{color:#777!important;margin-top:5px!important;font:500 .8em/1.2 'Source Sans Pro';background-color:#FFF!important}@media screen and (min-width:45.0625em){#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .left,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .left{float:left;width:50%}}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .right,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .right{float:right}@media screen and (min-width:45.0625em){#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .right,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .right{width:50%}}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .sans,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .sans{font:500 .9em/1.2 'Source Sans Pro'}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper a,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper a{border-bottom:none!important;white-space:initial;color:#F65D22}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper a:focus,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper a:hover,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper a:focus,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper a:hover{text-shadow:0 0 0 transparent;text-decoration:underline;background:no-repeat}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper a.edit-highlight,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper a.edit-highlight{color:#404040;top:0;right:20px}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper a.button,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper a.button{padding:10px 25px}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-delete,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-delete{width:auto;color:#FFF}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-delete:hover,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-delete:hover{color:#FFF!important;text-shadow:0 0 0 transparent!important;background:#F65D22;background-image:-moz-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:-webkit-gradient(left top,left bottom,color-stop(0,#F5C517),color-stop(100%,#F65D22));background-image:-webkit-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:-o-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:-ms-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:linear-gradient(to bottom,#F5C517 0,#F65D22 100%);text-decoration:none}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .grey-btn,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .grey-btn{width:auto;position:relative;top:10px;background:no-repeat #c7c2ba!important;color:#FFF!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .grey-btn:hover,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .grey-btn:hover{text-decoration:none;color:#070707!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .close,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .close{width:20px;height:20px;background:url(/static/images/close.862fc3a7237a.png) no-repeat;display:block;text-indent:-99999px;position:absolute;right:20px;top:16px}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .close:focus,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .close:hover,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .close:focus,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .close:hover{opacity:.8;background:url(/static/images/close.862fc3a7237a.png) no-repeat}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing{float:right;margin:15px 0 0!important;padding:0!important;text-align:right}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing li,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing li{margin:0 0 0 10px!important}@media screen and (max-width:32.5625em){#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .social-sharing,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .social-sharing{padding:0!important;float:none;text-align:center}}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget{width:100%;left:auto;bottom:auto;position:relative;float:left;margin:0;padding:10px 25px}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .delete-confirm,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .delete-confirm{text-align:center;padding:15px 35px 25px;color:#777;font:400 .9em/1.3 'Source Sans Pro',arial,sans-serif!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls .link-to-markdown,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls .link-to-markdown{margin-top:-14px;line-height:22px;padding:0 8px;position:absolute;right:25px;color:#F65D22;border:1px solid #bbb!important;font-size:14px}@media screen and (max-width:32.5625em){#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget{padding:10px 15px}}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .comment,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .selected,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .comment,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .selected{padding:0;font:400 .9em/1.3 'Source Sans Pro',arial,sans-serif!important;color:#777;overflow:hidden;background-color:#FFF!important}@media screen and (max-width:32.5625em){#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .comment,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .selected,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .comment,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .selected{padding:0 0 12px!important}}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .comment,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .comment{padding:8px 0;font:200 1em/1.3 'Source Sans Pro',arial,sans-serif!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-listing,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-listing{padding:0!important;margin:0!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-listing .annotator-item,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-listing .annotator-item{list-style-type:none}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget textarea,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget textarea{clear:both;max-width:100%;color:#999;padding:10px;font:400 .875em/1.3 'Source Sans Pro',arial,sans-serif}@media screen and (max-width:32.5625em){#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget textarea,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget textarea{background-color:#EEE}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget textarea:focus,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget textarea:focus{background-color:#f6f6f6}}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls{text-align:center;padding:0;margin:0!important;background-color:#FFF!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul{width:100%;display:block;margin:10px 0 0;padding:0!important;float:left}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul li,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul li{display:inline-block;text-decoration:none}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul li.delete,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul li.delete{float:left}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul li.delete a,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul li.delete a{margin-left:0}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul li.cancel,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul li.save,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul li.cancel,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls ul li.save{float:right}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls p,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls p{background-color:#FFF!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a{display:inline-block;padding:5px 25px;-webkit-appearance:none!important;font-family:'Source Sans Pro'!important;color:#fff;-moz-transition:all .2s ease-in-out;-webkit-transition:all .2s ease-in-out;-o-transition:all .2s ease-in-out;transition:all .2s ease-in-out}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a.annotator-cancel,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a.annotator-cancel{background:no-repeat #C7C2BA!important}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a.positive,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a.positive{-webkit-appearance:none;color:#fff;margin-left:12px;border:none;text-shadow:0 1px 6px rgba(0,0,0,.4)!important;background:#F65D22}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a.positive:focus,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a.positive:hover,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a.positive:focus,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a.positive:hover{color:#FFF!important;text-shadow:0 0 0 transparent!important;background:#F65D22;background-image:-moz-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:-webkit-gradient(left top,left bottom,color-stop(0,#F5C517),color-stop(100%,#F65D22));background-image:-webkit-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:-o-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:-ms-linear-gradient(top,#F5C517 0,#F65D22 100%);background-image:linear-gradient(to bottom,#F5C517 0,#F65D22 100%)}#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a:focus,#sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a:hover,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a:focus,.sbo-inpage-toc .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a:hover{background-color:#C7C2BA!important;text-decoration:none!important;color:#404040!important}@media screen and (min-width:45em){.touch .annotator-modal-wrapper{position:absolute!important;margin-top:200px!important}}.annotator-touch-controls{width:100%;text-align:center;min-width:auto;z-index:9999}.annotator-touch-controls .animateIn{animation-name:animateIn;-webkit-animation-name:animateIn;animation-duration:.35s;-webkit-animation-duration:.35s;animation-timing-function:ease-in-out;-webkit-animation-timing-function:ease-in-out;visibility:visible}.annotator-touch-controls .annotator-edit{background-color:#f5f5f5;position:absolute;right:-25px;-webkit-border-radius:2px 0 0 2px;border-radius:2px 0 0 2px;background-clip:padding-box}.annotator-touch-controls.annotator-touch-hide{right:-9999em;opacity:0;-webkit-transition:opacity .2s 0 ease-in,right 0s .3s linear;-moz-transition:opacity .2s 0 ease-in,right 0s .3s linear;-ms-transition:opacity .2s 0 ease-in,right 0s .3s linear;-o-transition:opacity .2s 0 ease-in,right 0s .3s linear;transition:opacity .2s 0 ease-in,right 0s .3s linear}.annotator-touch-controls .annotator-add{padding:.5rem;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;background-color:#777;color:#fff;position:absolute;margin-left:-20px;left:50%;width:48px;height:45px;cursor:pointer;border-bottom:none;-moz-box-shadow:0 0 1px #cdcdcd;-webkit-box-shadow:0 0 1px #cdcdcd;-o-box-shadow:0 0 1px #cdcdcd;box-shadow:0 0 1px #cdcdcd;display:block;text-align:center}.annotator-touch-controls .annotator-add:after,.annotator-touch-controls .annotator-add:before{width:0;height:0;border:.65em solid;border-color:#777 #777 transparent transparent;-moz-transform:rotate(-45deg);-webkit-transform:rotate(-45deg);-o-transform:rotate(-45deg);transform:rotate(-45deg);content:"";left:14px;top:-10px;position:absolute}.annotator-touch-controls .annotator-add:before{top:-11px;border-color:#cdcdcd #cdcdcd transparent transparent}.annotator-touch-controls .annotator-add span{display:block}.annotator-touch-controls .annotator-add span:before{font-family:SSFlow;content:'\F707';height:48px;width:49px;font-size:26px;font-size:1.625rem;top:5px;position:relative;color:#fff}.card-annotation{color:rgba(64,64,64,.65)}.card-annotation .wrap-pod{max-width:800px;margin:0 auto}.card-annotation .pod{float:left;padding:1.25rem 1.25rem 1.875rem}@media screen and (max-width:32.5625em){.card-annotation .pod{margin:0 0 1.25rem}}.card-annotation .pod h2{margin:5px 0 20px;font-size:21px;color:rgba(74,60,49,.75)}.card-annotation form textarea{display:block;max-width:100%;width:100%}.card-annotation form [type=submit]{margin-left:.9375rem}.card-annotation form ul.delete-option{margin-top:20px}.card-annotation form ul.delete-option input{margin:0;font-size:14px}.card-annotation form ul.buttons{margin-top:15px}.card-annotation form ul#id_privacy_option li{margin-left:.625rem}.card-annotation form ul.privacy-options li label{font-size:16px;font-size:1rem}.card-annotation form ul li{display:inline-block}.card-annotation form ul li input{margin:0 5px}.card-annotation .popup{font-family:"source sans pro",Helvetica,Arial,sans-serif!important;overflow:hidden;color:#777;background-color:#fff;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;clear:both;width:600px;position:fixed;z-index:9999;-webkit-transition:opacity .15s ease-in-out;transition:opacity .15s ease-in-out;border:1px solid #ccc;-moz-box-shadow:0 3px 0 #e6e6e6;-webkit-box-shadow:0 3px 0 #e6e6e6;-o-box-shadow:0 3px 0 #e6e6e6;box-shadow:0 3px 0 #e6e6e6;top:200px;left:50%;margin-left:-300px}.card-annotation .popup h1{margin:0;color:#777;font-size:26px;font-size:1.625rem;padding:.9375rem;line-height:1em;float:left!important;font-weight:500}.card-annotation .popup .headline{width:100%;float:left;border-bottom:1px solid #CCC}@media screen and (max-width:40.625em){.card-annotation .popup{max-width:95%;margin:0 2.5%;left:0}}.card-annotation .popup .inner{padding:0 20px 20px;float:left;width:100%}.card-annotation .popup ul{float:right}.card-annotation .popup ul li{display:inline-block;margin-left:15px}.card-annotation .media-thumbnail{float:left;margin:0 .9375rem .625rem 0}.card-annotation .annotation-note{margin:0 0 .65em;word-break:break-all}.card-annotation .clear{clear:both}.card-annotation .left{float:left;margin:0}@media screen and (min-width:32.5625em){.card-annotation .left{width:50%}}.card-annotation .right{float:right;margin:0}@media screen and (max-width:32.5625em){.card-annotation .right{float:none;text-align:center}}.card-annotation .row{border-top:1px solid #ddd;display:block;padding-top:.625rem;margin:0 0 .625rem;float:left;width:100%}.card-annotation .note.quote,.card-annotation .row.border{margin-bottom:0}.card-annotation div.quote{padding-bottom:.9375rem}.card-annotation .note{color:#888;padding-bottom:.5rem;display:inline-block}.card-annotation .social-sharing{text-align:center;margin-top:.9375rem}.card-annotation .social-sharing li{margin:.625rem .625rem 0}.card-annotation .sign-up{text-align:center;padding:0 7.5rem}.card-annotation .sign-up h1{padding-bottom:0;margin-bottom:0}.card-annotation .sign-up>p{margin-top:10px}@media screen and (max-width:51.3125em){.card-annotation .sign-up{padding:0}}.card-annotation .annotation-quote{color:rgba(64,64,64,.75);font-family:Georgia,serif;margin:0}.card-annotation .annotation-quote:before{content:"\201C";float:left;font-size:50px}.card-annotation .annotation-quote:after{content:"\201D";float:right;font-size:50px}.ios-app-teaser{position:relative;height:40px;margin:0 1.25rem -5px}@media only screen and (max-width:520px){.ios-app-teaser{margin:0 1.25rem -5px}}.ios-app-teaser ul{background:#404040}.ios-app-teaser ul:after,.ios-app-teaser ul:before{content:" ";display:table}.ios-app-teaser ul:after{clear:both}.ios-app-teaser ul li{list-style:none;float:left;width:50%;text-align:center;font-size:16px;vertical-align:middle}.ios-app-teaser ul li:active,.ios-app-teaser ul li:focus,.ios-app-teaser ul li:hover{background:#1b1a1a;-moz-transition:background .7s ease;-webkit-transition:background .7s ease;-o-transition:background .7s ease;transition:background .7s ease}.ios-app-teaser ul li a{display:block;color:#fff;font-weight:300;padding:10px 0}.ios-app-teaser ul li a:active,.ios-app-teaser ul li a:focus,.ios-app-teaser ul li a:hover{text-decoration:none;color:#fff}.sbo-toc .ios-app-teaser{display:none;margin:0}.sbo-toc.has-ios-app-teaser .ios-app-teaser{display:block}.sbo-toc.has-ios-app-teaser .close{top:40px}body.night-mode .sbo-toc .ios-app-teaser ul{background:#222;border-bottom:1px solid #444}body.night-mode .sbo-toc .ios-app-teaser ul li:active,body.night-mode .sbo-toc .ios-app-teaser ul li:focus,body.night-mode .sbo-toc .ios-app-teaser ul li:hover{background:#070707}.pagefoot{font-family:"source sans pro",sans-serif;font-size:14px;font-size:.875rem;color:#777;line-height:1.25em}.pagefoot .copyright{display:block;margin:.3em 0}@media screen and (min-width:32.5625em){.pagefoot .copyright{display:inline}}.pagefoot a{color:#404040}.pagefoot a:active,.pagefoot a:focus,.pagefoot a:hover,.pagefoot li a{color:#F65D22}.pagefoot li{display:inline-block;line-height:1.5em}.pagefoot li:after{content:' / '}.pagefoot li:last-child:after,.subscribe-nag .promotion strike:before{content:''}.user-anon .pagefoot{margin-top:1em}.user-anon .pagefoot a{color:#777}.user-anon .pagefoot li a{color:#D64309}.pagefoot .icon-up{display:block;padding:10px;position:fixed;right:20px;bottom:20px;z-index:99999;text-transform:lowercase;border:1px solid #ccc;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;background-color:#d5d5d5;text-decoration:none}.course-nag .close,.course-nag .message,.pagination-label,h1.video-toc-title{text-transform:uppercase}.pagefoot .icon-up span{display:none}.pagefoot .icon-up:before{font-size:19px;content:'\2B06';font-family:SSFlow;display:inline-block;vertical-align:middle;color:#777}.subscribe-panel .pagefoot .icon-up{bottom:80px}.user-anon .pagefoot #legal,.user-anon .pagefoot nav{margin:.3125rem 0 .3125rem 3.4375rem;line-height:1.15em}.user-anon .pagefoot nav a{text-decoration:none}.user-anon .pagefoot div#legal a{color:#777;text-decoration:none}.full-support,.pagefoot .full-support{display:none}@media screen and (min-width:48.0625em){.full-support,.pagefoot .full-support{display:inline-block}.mobile-support,.pagefoot .mobile-support{display:none}}.subscribe-nag.collapsed .expanded,.subscribe-nag.promotion-included .pagefoot{display:none}#js-subscribe-panel-filler{float:left;width:100%}.subscribe-nag{position:fixed;width:100%;max-width:100%;padding:0 10px;bottom:-300%;max-height:50%;left:0;z-index:99999;margin:0;background-color:#FFF;-moz-box-shadow:0 0 20px 0 rgba(0,0,0,.2);-webkit-box-shadow:0 0 20px 0 rgba(0,0,0,.2);-o-box-shadow:0 0 20px 0 rgba(0,0,0,.2);box-shadow:0 0 20px 0 rgba(0,0,0,.2);border-top:1px solid #CCC;text-align:center}.subscribe-nag .cta-group{padding-bottom:15px}.subscribe-nag.expired-panel,.subscribe-nag.trial-panel{max-height:350px}.subscribe-nag.promotion-included{max-height:515px;color:#FFF}.subscribe-nag.collapsed p{margin:12px 0}.subscribe-nag h2,.subscribe-nag h3{line-height:1.1em;color:#404040;font-size:36px;font-size:2.25rem;font-weight:300;margin:1.25rem 3rem}.subscribe-nag p{color:#4a3c31}.subscribe-nag h3{font-size:24px;font-size:1.5rem}.subscribe-nag .green{color:#F65D22}.subscribe-nag .js-toggle-nag{position:absolute;text-align:center;line-height:1.3em;right:0;top:0;color:#888;font-size:18px;font-size:1.125rem;text-decoration:none;z-index:10;padding:.9375rem .9375rem .75rem}.subscribe-nag .js-toggle-nag:focus,.subscribe-nag .js-toggle-nag:hover{background-color:#F65D22;color:#FFF;text-decoration:none}.subscribe-nag.expanded{position:absolute}.subscribe-nag.collapsed .sample-message{padding:0}.subscribe-nag.collapsed h2{font-size:24px;font-size:1.5rem;margin:.625rem 3rem .9375rem}.subscribe-nag.slideUp{bottom:0!important;animation-name:slideUp;-webkit-animation-name:slideUp;animation-duration:.5s;-webkit-animation-duration:.5s;animation-timing-function:ease;-webkit-animation-timing-function:ease;visibility:visible!important}.subscribe-nag a{text-decoration:none}.subscribe-nag .promotion{background-color:#000;padding:20px 10px;margin-bottom:20px;position:relative}.subscribe-nag .promotion strike{position:relative;text-decoration:none}.subscribe-nag .promotion strike:before{border-bottom:4px solid #FC4747;position:absolute;width:115%;top:46%;transform:rotate(-14deg);left:-6%}.subscribe-nag .promotion h1{color:#F5C517;font-family:'Stag Web',georgia,serif;font-weight:400;font-style:normal;font-stretch:normal;font-size:2.5em}.subscribe-nag .promotion h2{color:#FFF;margin-top:10px}.subscribe-nag .promotion b{font-weight:700}.subscribe-nag .promotion .button{background:no-repeat #fff;text-shadow:none;border-radius:0;color:#333;padding:10px 20px}.subscribe-nag .promotion .callout{position:absolute;right:0;top:0}.subscribe-nag .promotion .callout img{width:30%;float:right}.subscribe-nag .promotion .callout .accessible-text{position:relative;text-indent:-9999px;display:block}@media screen and (max-width:56.25em){.subscribe-nag .promotion h1,.subscribe-nag .promotion h2,.subscribe-nag .promotion h3{font-size:2em}}@media screen and (max-width:48em){.subscribe-nag .promotion h1,.subscribe-nag .promotion h2,.subscribe-nag .promotion h3{font-size:1.5em}}.subscribe-nag .help{font-size:smaller;text-decoration:none}.subscribe-nag .trending-topics{margin:0}.subscribe-nag .old-price{text-decoration:line-through}.course-nag .close:hover,.subscribe-nag .sample-message .cta-group .signin a{text-decoration:none}.subscribe-nag .bigbutton.loading,.subscribe-nag .bigbutton.loading:hover{background-color:#B2B4B3;background-image:none}.subscribe-nag .bigbutton.loading .spinner,.subscribe-nag .bigbutton.loading:hover .spinner{background:url(/static/images/loading.6b1710a5f2bc.gif) center center no-repeat;background-size:16px;width:16px;display:inline-block;text-indent:-9999px;float:right}.subscribe-nag .bigbutton .spinner{display:none}.subscribe-nag .pagefoot #legal a.copyright,.subscribe-nag .pagefoot nav a.copyright{color:#777}.subscribe-nag.anon-panel h2,.subscribe-nag.anon-panel h3{margin:.625rem .75rem}@media screen and (max-width:48em){.subscribe-nag.anon-panel .doc-title{display:none}.subscribe-nag.anon-panel .doc-type{white-space:nowrap}}.subscribe-nag .sample-message{margin:0 auto;padding:.3125rem 1.25rem 0;-webkit-border-radius:0;border-radius:0;background-clip:padding-box;-moz-box-shadow:0 0 0 transparent;-webkit-box-shadow:0 0 0 transparent;-o-box-shadow:0 0 0 transparent;box-shadow:0 0 0 transparent;border:none;max-width:900px;max-width:56.25rem;position:relative;color:#4a3c31}.subscribe-nag .sample-message .cta-group .bigbutton{display:inline-block}.subscribe-nag .sample-message .cta-group .signin{display:inline-block;font-size:smaller}.subscribe-nag .sample-message .text-links{display:inline-block;margin:0 0 0 10px;vertical-align:middle}.subscribe-nag .sample-message p{max-width:550px;max-width:34.375rem;font-size:18px;font-size:1.125rem;line-height:24px;line-height:1.5rem;margin:10px auto 15px;font-weight:500}.subscribe-nag .sample-message footer{text-align:left;margin:.9375rem 0 .625rem;padding:0}.subscribe-nag .sample-message footer object{display:none}.subscribe-nag .sample-message footer #logo{background:url(/static/images/sunshine_flag.0e1a4eec8506.svg) right -10px no-repeat;background-size:45px 66px;width:45px;height:42px;margin-top:-12px;margin-right:10px;text-indent:-9999px;display:block;float:left;padding-bottom:3.75rem}@media screen and (max-width:32.5em){.subscribe-nag .sample-message footer #logo{display:none}}.subscribe-nag .sample-message.nag-a,.subscribe-nag .sample-message.nag-b{max-width:85rem;padding:0;-moz-transition:all .5s ease-in-out;-webkit-transition:all .5s ease-in-out;-o-transition:all .5s ease-in-out;transition:all .5s ease-in-out}.subscribe-nag .sample-message.nag-a h2,.subscribe-nag .sample-message.nag-b h2{text-align:left;margin-left:0}.subscribe-nag .sample-message.nag-a .doc-title,.subscribe-nag .sample-message.nag-b .doc-title{display:none}.subscribe-nag .sample-message.nag-a .cta-group,.subscribe-nag .sample-message.nag-b .cta-group{display:inline-block}.subscribe-nag .sample-message.nag-a .cta-group .bigbutton,.subscribe-nag .sample-message.nag-b .cta-group .bigbutton{width:45%;padding:10px;font-size:1rem;font-weight:400;float:left}.subscribe-nag .sample-message.nag-a .cta-group .bigbutton.team-btn,.subscribe-nag .sample-message.nag-b .cta-group .bigbutton.team-btn{width:45%;margin-right:0}.subscribe-nag .sample-message.nag-a .cta-group div.bigbutton,.subscribe-nag .sample-message.nag-b .cta-group div.bigbutton{display:none}.subscribe-nag .sample-message.nag-a .cta-group .signin,.subscribe-nag .sample-message.nag-b .cta-group .signin{width:100%;margin:5px 0}.subscribe-nag .sample-message.nag-a .registration-form,.subscribe-nag .sample-message.nag-b .registration-form{float:left;text-align:left}.subscribe-nag .sample-message.nag-a .registration-form li,.subscribe-nag .sample-message.nag-b .registration-form li{display:inline-block;width:31.5%;margin-right:2%;vertical-align:top}.subscribe-nag .sample-message.nag-a .registration-form li.password,.subscribe-nag .sample-message.nag-b .registration-form li.password{margin-right:0}.subscribe-nag .sample-message.nag-a .registration-form li input,.subscribe-nag .sample-message.nag-b .registration-form li input{max-width:100%;min-width:100%}.subscribe-nag .sample-message.nag-a .registration-form li.error input,.subscribe-nag .sample-message.nag-b .registration-form li.error input{margin-bottom:0}.subscribe-nag .sample-message.nag-a .registration-form .terms-conditions,.subscribe-nag .sample-message.nag-b .registration-form .terms-conditions{display:none;width:100%!important}.subscribe-nag .sample-message.nag-a .registration-form .terms-conditions input,.subscribe-nag .sample-message.nag-a .registration-form .terms-conditions label,.subscribe-nag .sample-message.nag-b .registration-form .terms-conditions input,.subscribe-nag .sample-message.nag-b .registration-form .terms-conditions label{display:inline-block!important;margin:0 10px 10px 0}.subscribe-nag .sample-message.nag-a .registration-form .terms-conditions .error,.subscribe-nag .sample-message.nag-b .registration-form .terms-conditions .error{display:block}.subscribe-nag .sample-message.nag-a.active .terms-conditions,.subscribe-nag .sample-message.nag-b.active .terms-conditions{display:block;float:left}.subscribe-nag .sample-message.nag-a.active .terms-conditions label,.subscribe-nag .sample-message.nag-b.active .terms-conditions label{width:90%}.subscribe-nag .sample-message.nag-a.active .terms-conditions #id_legal,.subscribe-nag .sample-message.nag-b.active .terms-conditions #id_legal{vertical-align:top;margin:3px 10px 0 0}.subscribe-nag .sample-message.nag-a.active .doc-title,.subscribe-nag .sample-message.nag-b.active .doc-title{display:inline-block}.subscribe-nag .sample-message.nag-a.active .team-btn,.subscribe-nag .sample-message.nag-b .cta-group button,.subscribe-nag .sample-message.nag-b.active .team-btn{display:none}.subscribe-nag .sample-message.nag-a.active .bigbutton,.subscribe-nag .sample-message.nag-b.active .bigbutton{width:100%}.subscribe-nag .sample-message.nag-a .registration-form{width:69%}.subscribe-nag .sample-message.nag-a .cta-group{width:30%;float:right}.subscribe-nag .sample-message.nag-a .cta-group .bigbutton,.subscribe-nag .sample-message.nag-a .cta-group .team-btn{width:100%;line-height:initial}.subscribe-nag .sample-message.nag-b .registration-form{width:85%;display:none}.subscribe-nag .sample-message.nag-b h2{margin:1rem 0 1rem 7%;float:left;width:50%}.subscribe-nag .sample-message.nag-b form{width:75%;margin:1rem auto}.subscribe-nag .sample-message.nag-b .cta-group{width:35%;float:right;margin:.5rem 0 1rem 2%}.subscribe-nag .sample-message.nag-b .cta-group div.bigbutton{display:block;width:100%;margin:0 0 10px}.subscribe-nag .sample-message.nag-b .cta-group div.bigbutton.mobile{display:none}.subscribe-nag .sample-message.nag-b.active h2{width:73%;margin:1rem auto;float:none}.subscribe-nag .sample-message.nag-b.active form{margin:0 auto}.subscribe-nag .sample-message.nag-b.active .registration-form{display:block;width:100%}.subscribe-nag .sample-message.nag-b.active .registration-form li{width:50%;margin-right:0;float:left;padding:0 1%}.subscribe-nag .sample-message.nag-b.active .registration-form_item.email{width:100%;display:block}.subscribe-nag .sample-message.nag-b.active .cta-group button{display:block}.subscribe-nag .sample-message.nag-b.active .cta-group div.bigbutton{display:none}@media screen and (max-width:50em){.subscribe-nag .sample-message.nag-a,.subscribe-nag .sample-message.nag-b{padding:0 10%}.subscribe-nag .sample-message.nag-a h2,.subscribe-nag .sample-message.nag-b h2{display:none}.subscribe-nag .sample-message.nag-a .registration-form,.subscribe-nag .sample-message.nag-b .registration-form{display:none;float:none;padding:1.5rem 16.5% .5rem;width:100%}.subscribe-nag .sample-message.nag-a .registration-form li,.subscribe-nag .sample-message.nag-b .registration-form li{display:block;width:100%}.subscribe-nag .sample-message.nag-a form,.subscribe-nag .sample-message.nag-b form{margin-bottom:.75rem}.subscribe-nag .sample-message.nag-a .cta-group,.subscribe-nag .sample-message.nag-b .cta-group{width:100%;padding:1.5rem 16.5% 0;margin:0}.subscribe-nag .sample-message.nag-a .cta-group div.bigbutton,.subscribe-nag .sample-message.nag-b .cta-group div.bigbutton{display:block;margin:0 0 10px}.subscribe-nag .sample-message.nag-a .cta-group button,.subscribe-nag .sample-message.nag-b .cta-group button{display:none;font-family:"source sans pro",sans-serif;margin:0}.subscribe-nag .sample-message.nag-a.active h2,.subscribe-nag .sample-message.nag-b.active h2{display:block;padding:1.5rem 16.5% 0;margin:0}.subscribe-nag .sample-message.nag-a.active .registration-form,.subscribe-nag .sample-message.nag-b.active .registration-form{display:block}.subscribe-nag .sample-message.nag-a.active .doc-title,.subscribe-nag .sample-message.nag-b.active .doc-title{display:none}.subscribe-nag .sample-message.nag-a.active .terms-conditions input,.subscribe-nag .sample-message.nag-b.active .terms-conditions input{margin:4px 10px 0 0;vertical-align:top}.subscribe-nag .sample-message.nag-a.active .terms-conditions label,.subscribe-nag .sample-message.nag-b.active .terms-conditions label{width:90%}.subscribe-nag .sample-message.nag-b form,.subscribe-nag .sample-message.nag-b.active h2{width:100%}.subscribe-nag .sample-message.nag-a.active .cta-group,.subscribe-nag .sample-message.nag-b.active .cta-group{padding:0 16.5%}.subscribe-nag .sample-message.nag-a.active .cta-group button,.subscribe-nag .sample-message.nag-b.active .cta-group button{display:block}.subscribe-nag .sample-message.nag-a.active .cta-group div.bigbutton,.subscribe-nag .sample-message.nag-b.active .cta-group div.bigbutton{display:none}.subscribe-nag .sample-message.nag-b .cta-group{padding:0;margin:0 0 10px}.subscribe-nag .sample-message.nag-b .cta-group div.bigbutton.mobile{display:inline-block;float:none}.subscribe-nag .sample-message.nag-b .cta-group div.bigbutton,.subscribe-nag .sample-message.nag-b.active .cta-group div.bigbutton.mobile{display:none}.subscribe-nag .sample-message.nag-b .cta-group .signin{margin:0;width:100%}.subscribe-nag .sample-message.nag-b.active .registration-form li{width:100%!important}.subscribe-nag .sample-message.nag-b.active .cta-group{padding:0 17%}.subscribe-nag .sample-message .text-links{display:block;margin:10px 0 0}}.subscribe-nag p.welcome{font-size:1.5rem;margin:1.5rem 0;font-weight:300}.subscribe-nag .registration-form__minimize:before{content:"\2421";font-family:SSFlow;position:absolute}.subscribe-nag .registration-form__minimize,.subscribe-nag .registration-form__minimize__title{display:none}.subscribe-nag .registration-form__minimize.active{position:absolute;display:block;width:20px;height:20px;right:20px;top:5px;z-index:10;cursor:pointer}@media screen and (max-width:32.5625em),screen and (max-height:25.0625em){.subscribe-nag.collapsed .header{margin:10px 0}.subscribe-nag.collapsed footer{margin-top:5px!important}.subscribe-nag h2{font-size:24px;font-size:1.5rem}.subscribe-nag h3{font-size:18px;font-size:1.125rem}.subscribe-nag .sample-message .signin{position:relative;right:auto;margin:0 0 .9375rem;font-size:small}.subscribe-nag .sample-message p{font-size:16px;font-size:1rem}.subscribe-nag .sample-message p.usage-data{padding:0 3.125rem;line-height:1.3em}.subscribe-nag .sample-message .bigbutton{margin:0 0 .625rem}.subscribe-nag .sample-message .comment{margin:-10px auto 0!important}.subscribe-nag footer{text-align:center!important}.subscribe-nag footer #logo{float:none!important;margin:0 0 12px!important;padding:0!important}.subscribe-nag footer ul{padding:0;margin-top:5px;font-size:smaller;line-height:1em}}.cover-position-right{max-width:100%;max-height:100%;height:auto;display:inline-block}.academic-text{text-align:left}.course-nag,.servererror .pod{text-align:center}.academic-text h1{color:#777;font-family:"source sans pro",sans-serif;font-size:40px;font-size:2.5rem}.academic-text h2{font-size:20px;font-size:1.25rem}.academic-text ol li{font-size:18px;font-size:1.125rem}#academic-text-bold{font-weight:700}.support-text{margin-top:20px}.support-text p{font-size:14px;font-size:.875rem;margin:0}@media screen and (min-width:1024px) and (orientation:landscape){.cover-position-right{float:right}.academic-text{float:left}.academics-topics{clear:left}}.academic-mailto-link{margin-top:20px}.course-nag{width:140px;padding:20px 10px 10px;position:fixed;z-index:9999999;background:#fff;top:15%;right:0;box-shadow:0 0 15px 4px rgba(0,0,0,.1);font-size:14px;line-height:1.3;font-family:"source sans pro",arial,sans-serif}.course-nag .close{padding:1px 7px;position:absolute;top:0;right:0;font-size:12px;font-weight:600;color:#fff;background:#000}.course-nag .background{width:100%;position:absolute;top:0;left:0;z-index:-1}.course-nag .avatar{margin-bottom:5px}.course-nag .avatar img{width:100px;height:100px;border:2px solid #fff;border-radius:50%}.course-nag .time{font-weight:600}.course-nag .button{display:block;margin-top:10px;padding:7px 4px;font-size:13px}.course-nag .button.is-streaming-now{color:#008542}.no-touch .rec-delete:focus,.no-touch .rec-delete:hover,.no-touch .rec-fav:focus,.no-touch .rec-fav:hover,.rec-delete,.rec-fav{background:0 0;color:#ccc}.rec-delete,.rec-fav{-moz-box-shadow:none;-webkit-box-shadow:none;-o-box-shadow:none;box-shadow:none;line-height:1;margin:0;padding:0;border:none;font-weight:400}.rec-delete:active,.rec-fav:active{top:0}.django-messages{margin:1rem 0;font-family:"source sans pro",sans-serif}.django-messages>li{position:relative;padding:1rem;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;color:#fff}@media screen and (max-width:30em){.django-messages>li{margin:1rem .9375rem}}.django-messages .fixed-position{position:fixed;width:92%;z-index:99}.django-messages .info,.django-messages .success{background:#F65D22;font-weight:400}.django-messages .info a,.django-messages .success a{color:#fff;text-decoration:underline}.django-messages .info a.close,.django-messages .success a.close{text-decoration:none}.django-messages .info:before,.django-messages .success:before{speak:none;content:'\2713';position:relative;top:3px;font-size:21px;padding-right:1rem;color:#fff;font-family:SSFlow}.django-messages .success{background:#008542}.django-messages .warning{background:#815C00}.django-messages .error{background:maroon}.django-messages .welcome-banner{background-color:#fff;color:#333;padding:.125rem 1rem}.django-messages .welcome-banner h2{margin-bottom:0;line-height:1.15em}.django-messages .welcome-banner p{margin-top:10px}.django-messages .alert{background-color:#E8BA16;color:#fff}.django-messages .alert:before{content:'';background:url(/static/images/alert.a1ddd023edd3.png) no-repeat;background-size:25px;width:25px;height:21px;display:block;margin-top:-3px}.django-messages .alert a{color:#fff;text-decoration:underline}.django-messages .error,.django-messages .warning{background-color:#E8BA16}.django-messages .error:before,.django-messages .warning:before{speak:none;content:'\1F6AB';position:relative;top:3px;font-size:21px;padding-right:.75rem;color:#fff;font-family:SSFlow}.django-messages .error,.django-messages .nagbar{background-color:#ea6d60}.django-messages .error .buttongroup,.django-messages .nagbar .buttongroup{height:16px;height:1rem;overflow:visible;display:inline-block;margin:0;padding-left:.75rem}.django-messages .error a,.django-messages .nagbar a{color:#fff}.django-messages .nagbar:before{content:none}.django-messages .close{position:absolute;top:5px;right:0;bottom:0;width:40px;height:40px;text-decoration:none}.django-messages .close:before{speak:none;position:relative;background:rgba(0,0,0,.33);top:12px;left:8px;-webkit-border-radius:50%;border-radius:50%;background-clip:padding-box;padding:.3125rem .375rem .125rem;height:24px;width:24px;line-height:24px;font-size:12px;color:#fff;font-family:SSFlow;content:'\2421'}.enable-js,.modal-wrapper,.servererror{font-family:"source sans pro",sans-serif}.django-messages .close span{display:none}.pass-rules{font-size:14px;color:#555}.pass-rules h4{font-weight:700;margin:0;padding:0}.pass-rules ul{list-style-type:disc;margin:0 0 1em 1.5em}.servererror #masthead{background-color:#070707;width:100%;min-width:230px;font-weight:700}.servererror #masthead h1{margin:0;padding:.5em}.servererror #masthead h1 a{color:#fff;text-decoration:none}.servererror section img{display:block;margin:.5em auto;max-width:50%}.servererror footer{padding:1.5em}.servererror h1{color:#777;display:inline-block;padding:0 1rem;margin:0 0 1rem}.servererror.js-error,.servererror.js-error .pod{background:#f7f7f7}.upgrade{margin:0 0 30px;padding:20px;color:#FFF;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box}.upgrade.upgrade-green{background-color:#F65D22}.upgrade.upgrade-yellow{background-color:#e5c15e}.upgrade.upgrade-red{background-color:#ea6d60}.upgrade.upgrade-blue{background-color:#C7C2BA;color:#4A3C31;border:none}.upgrade a{color:#FFF}.upgrade p{margin:0;font-size:18px;font-size:1.125rem}.enable-js{min-height:300px;padding:1em}.recommendations_debug div,.recommendations_debug li,div.recommendations_debug{padding-left:5px}.recommendations_debug ul{padding-left:5px;padding-top:5px}body.night-mode{background-color:#000!important}body.night-mode.video{background-color:#000}body.night-mode.video .sbo-book-meta{background-color:transparent}body.night-mode.video .sbo-inpage-toc{border:1px solid #444}body.night-mode.video .sbo-inpage-toc .toc-contents{border:none;background-color:#000}body.night-mode.video .sbo-inpage-toc .tocList li{border:none}body.night-mode.video .sbo-inpage-toc .tocList li a{border-bottom:1px solid #222}body.night-mode.video .sbo-inpage-toc .rec-fav{color:#AAA}body.night-mode.video .sbo-inpage-toc li{background-color:transparent}body.night-mode.video .sbo-inpage-toc li a{border:none}body.night-mode.video .sbo-inpage-toc .tabs li{border-bottom:1px solid #444;background-color:#222}body.night-mode.video .sbo-inpage-toc .tabs li.item-1,body.night-mode.video .sbo-inpage-toc .tabs li.item-2,body.night-mode.video .sbo-inpage-toc .tabs li.item3{border-left:1px solid #444}body.night-mode.video .sbo-inpage-toc .tabs li:hover{color:#FFF;background-color:#111}body.night-mode.video .sbo-inpage-toc .tabs li.active-tab{background-color:transparent;border-bottom:none;color:#FFF}body.night-mode.video .sbo-inpage-toc .toc-bottom{border-top:1px solid #444}body.night-mode.video .sbo-inpage-toc #description-tab,body.night-mode.video .sbo-inpage-toc .tab-inner p{color:#FFF}body.night-mode .night{background-color:#000!important}body.night-mode .night .fa{color:#F65D22!important}body.night-mode .day{background-color:#222!important}body.night-mode .day .fa{color:#FFF!important}body.night-mode #container{background-color:#000!important}body.night-mode .sbo-book-meta{background-color:#000;border-bottom:1px solid #444}body.night-mode .font-controls-panel{top:-1px}body.night-mode .search-in-archive .search-archive-bar,body.night-mode .search-in-archive .search-archive-results ul{border:1px solid #666}body.night-mode .search-in-archive .search-archive-results ul{border-top:none}body.night-mode .search-in-archive .search-archive-bar{border-right:none}body.night-mode .search-in-archive.result-active .search-archive-bar{border-bottom:none}body.night-mode .search-in-archive{background-color:#000}body.night-mode .search-in-archive.active{border-color:#666;background-color:#222}body.night-mode .search-in-archive.active .search-controls{background-color:#222}body.night-mode .search-in-archive.active .search-controls:before{background-color:#F65D22}body.night-mode .search-in-archive .search-archive-bar,body.night-mode .search-in-archive .search-archive-results li,body.night-mode .search-in-archive .search-archive-results li.pagination a,body.night-mode .search-in-archive .search-archive-results li.search-whole-site a,body.night-mode .search-in-archive .search-archive-results ul{background-color:#222}body.night-mode .search-in-archive .search-archive-results li{border-color:#666;color:#fff}body.night-mode .search-in-archive .search-archive-results li .description{color:#fff}body.night-mode .search-in-archive .search-archive-results li a.title{color:#fff;background-color:#222}body.night-mode .topbar{background-color:#222!important}body.night-mode .pagefoot,body.night-mode .topbar .topnav>li a:hover{background-color:#000}body.night-mode .topbar svg{stroke:#FFF;fill:#FFF}body.night-mode .pagefoot .icon-up{background-color:#222;border:1px solid #666}body.night-mode .pagefoot a{color:#ddd!important}body.night-mode .interface-controls .queue-control .rec-fav:focus,body.night-mode .interface-controls .queue-control .rec-fav:hover{background-color:#000!important}body.night-mode .interface-controls .sharing-controls,body.night-mode .interface-controls a,body.night-mode .interface-controls button{background-color:#000}@media screen and (min-width:49.4375em){body.night-mode .interface-controls #font-controls,body.night-mode .interface-controls .search-in-archive,body.night-mode .interface-controls button{border-bottom:1px solid #555}body.night-mode .interface-control-btns{border:1px solid #666}}body.night-mode .pagination-title,body.night-mode .sbo-title h1,body.night-mode .topnav>li a{color:#fff!important}body.night-mode .toc-contents{border:10px solid #444;background-color:#222}body.night-mode ul.toc-level-2{border-top:none}body.night-mode .tocList li{background-color:#222;border-bottom:1px solid #222}body.night-mode .tocList li a{color:#AAA;border-bottom:1px solid #333}body.night-mode .tocList li.currently-reading,body.night-mode .tocList li.currently-reading a{background-color:#555}body.night-mode .nav-link,body.night-mode .sbo-menu-top{background-color:#000}body.night-mode .sbo-prev .nav-link{border:none;border-right:1px solid #444;border-bottom:1px solid #444}body.night-mode .sbo-menu-top{border-bottom:1px solid #444;border-right:1px solid #444;border-left:1px solid #444}body.night-mode .sbo-next .nav-link{border-bottom:1px solid #444}body.night-mode .sbo-next.sbo-nav-bottom,body.night-mode .sbo-prev.sbo-nav-bottom{border-top:1px solid #444}@media screen and (max-width:32.5625em),(max-height:26.25em){body.night-mode .sbo-menu-top{border-right:none;border-left:none}body.night-mode .sbo-next .nav-link{border-top:none}}body.night-mode #sbo-rt-content{background-color:#000!important}body.night-mode #sbo-rt-content .black{color:#fff}body.night-mode #sbo-rt-content .annotator-wrapper ::selection{background-color:rgba(255,225,255,.5)}body.night-mode #sbo-rt-content .annotator-wrapper ::-moz-selection{background-color:rgba(255,225,255,.5)}body.night-mode #sbo-rt-content .annotator-wrapper span.annotator-hl{background-color:rgba(255,225,255,.3);color:#FFF}body.night-mode #sbo-rt-content .annotator-wrapper .annotator-adder ul,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-adder ul a,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-adder ul li,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-view-clicker ul,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-view-clicker ul a,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-view-clicker ul li{background-color:#666!important}body.night-mode #sbo-rt-content .annotator-wrapper .annotator-adder ul a:hover,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-view-clicker ul a:hover{color:#fff!important}body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper{background-color:#333!important}body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .selected,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .button-group.social-sharing a.share-button,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .left a,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .row,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .title,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper div,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper h4,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper li,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper p{background-color:#333!important;color:#FFF!important}body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget .annotator-controls a.positive,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget textarea{color:#FFF!important}body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .annotator-widget textarea{background-color:#999}body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper .button-group.social-sharing a.share-button{border:none}body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper a,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper code,body.night-mode #sbo-rt-content .annotator-wrapper .annotator-modal-wrapper em{background-color:#333}body.night-mode #sbo-rt-content div,body.night-mode #sbo-rt-content table,body.night-mode #sbo-rt-content table th,body.night-mode #sbo-rt-content table thead,body.night-mode #sbo-rt-content table tr{background-color:#000!important;border-color:#fff!important}body.night-mode #sbo-rt-content .box_title,body.night-mode #sbo-rt-content .chaptertitle,body.night-mode #sbo-rt-content .cn-chapter-number,body.night-mode #sbo-rt-content .figure-title,body.night-mode #sbo-rt-content .fm_title_document,body.night-mode #sbo-rt-content .h1,body.night-mode #sbo-rt-content .heading-1,body.night-mode #sbo-rt-content .heading-3,body.night-mode #sbo-rt-content .paragraph-head,body.night-mode #sbo-rt-content .title,body.night-mode #sbo-rt-content .title_document,body.night-mode #sbo-rt-content h1,body.night-mode #sbo-rt-content h2,body.night-mode #sbo-rt-content h3,body.night-mode #sbo-rt-content h4,body.night-mode #sbo-rt-content h5,body.night-mode #sbo-rt-content h6,body.night-mode #sbo-rt-content hr{background-color:#000;color:#ddd!important}body.night-mode #sbo-rt-content .pre,body.night-mode #sbo-rt-content .pre-ex,body.night-mode #sbo-rt-content .pre1,body.night-mode #sbo-rt-content .pre_w,body.night-mode #sbo-rt-content p.pre,body.night-mode #sbo-rt-content pre{background-color:#222!important;color:#aaa!important;border:none!important}body.night-mode #sbo-rt-content a,body.night-mode #sbo-rt-content div,body.night-mode #sbo-rt-content dt,body.night-mode #sbo-rt-content em,body.night-mode #sbo-rt-content li,body.night-mode #sbo-rt-content p,body.night-mode #sbo-rt-content strong{color:#ddd!important;background-color:#000;box-shadow:none!important}body.night-mode #sbo-rt-content code{color:#ddd!important}body.night-mode #sbo-rt-content p.pre{color:#000}body.night-mode #sbo-rt-content div.bgbox dd,body.night-mode #sbo-rt-content div.bgbox dt,body.night-mode #sbo-rt-content div.bgbox li,body.night-mode #sbo-rt-content div.bgbox p,body.night-mode #sbo-rt-content div.boxg dt,body.night-mode #sbo-rt-content div.boxg li,body.night-mode #sbo-rt-content div.boxg p,body.night-mode #sbo-rt-content div.feature dd,body.night-mode #sbo-rt-content div.feature dt,body.night-mode #sbo-rt-content div.note dd,body.night-mode #sbo-rt-content div.note dt,body.night-mode #sbo-rt-content div.note li,body.night-mode #sbo-rt-content div.note p,body.night-mode #sbo-rt-content div.sidebar dd,body.night-mode #sbo-rt-content div.sidebar dt,body.night-mode #sbo-rt-content div.sidebar li,body.night-mode #sbo-rt-content div.sidebar p,body.night-mode #sbo-rt-content div.sidebar1 dd,body.night-mode #sbo-rt-content div.sidebar1 dt,body.night-mode #sbo-rt-content div.sidebar1 li,body.night-mode #sbo-rt-content div.sidebar1 p,body.night-mode #sbo-rt-content div.tip dd,body.night-mode #sbo-rt-content div.tip dt,body.night-mode #sbo-rt-content div.tip li,body.night-mode #sbo-rt-content div.tip p,body.night-mode #sbo-rt-content div.warning dd,body.night-mode #sbo-rt-content div.warning dt,body.night-mode #sbo-rt-content div.warning li,body.night-mode #sbo-rt-content div.warning p,body.night-mode #sbo-rt-content p.note,body.night-mode #sbo-rt-content p.pre-ex{color:#fff}body.night-mode #sbo-rt-content div.bgbox p a,body.night-mode #sbo-rt-content div.boxg p a,body.night-mode #sbo-rt-content div.note a,body.night-mode #sbo-rt-content div.note p a,body.night-mode #sbo-rt-content div.sidebar p a,body.night-mode #sbo-rt-content div.sidebar1 p a,body.night-mode #sbo-rt-content div.tip p a,body.night-mode #sbo-rt-content div.warning p a,body.night-mode #sbo-rt-content p.note a,body.night-mode #sbo-rt-content p.pre-ex a{color:#fff;text-decoration:none}body.night-mode #sbo-rt-content div.note h3,body.night-mode #sbo-rt-content div.note p.title,body.night-mode #sbo-rt-content div.sidebar h5,body.night-mode #sbo-rt-content div.sidebar p.title,body.night-mode #sbo-rt-content div.sidebar-title,body.night-mode #sbo-rt-content div.tip h3,body.night-mode #sbo-rt-content div.warning h3,body.night-mode #sbo-rt-content p.box_title{background-color:transparent;color:#fff!important}body.night-mode #sbo-rt-content .boxbg,body.night-mode #sbo-rt-content .note,body.night-mode #sbo-rt-content .note1,body.night-mode #sbo-rt-content .sidebar1,body.night-mode #sbo-rt-content .tip,body.night-mode #sbo-rt-content .warning,body.night-mode #sbo-rt-content div.note,body.night-mode #sbo-rt-content div.sidebar,body.night-mode #sbo-rt-content div.tip,body.night-mode #sbo-rt-content div.warning{box-shadow:none;color:#fff!important}body.night-mode #sbo-rt-content td,body.night-mode #sbo-rt-content td a,body.night-mode #sbo-rt-content td li,body.night-mode #sbo-rt-content td p,body.night-mode #sbo-rt-content td p a,body.night-mode #sbo-rt-content th,body.night-mode #sbo-rt-content th p{color:#fff}body.night-mode .related .bitlist-header{color:#ddd}body.cloudy-mode{background-color:#f5eee0!important}body.cloudy-mode.video .sbo-book-meta{border-bottom:1px solid #c7c1b4}body.cloudy-mode.video .tocList li a{border-bottom:1px solid #e6e6e6}body.cloudy-mode.video .sbo-inpage-toc{border:1px solid #c7c1b4}body.cloudy-mode.video .sbo-inpage-toc .toc-contents{border:none}body.cloudy-mode.video .sbo-inpage-toc .progress-indicator{color:#BEB9A6;border:2px solid #BEB9A6}body.cloudy-mode.video .sbo-inpage-toc .toc-bottom{border-top:1px solid #c7c1b4}body.cloudy-mode.video .sbo-inpage-toc .tabs li{background-color:#e0d9cb;border-bottom:1px solid #c7c1b4}body.cloudy-mode.video .sbo-inpage-toc .tabs li.active-tab{background-color:#f5eee0;border-bottom:none}body.cloudy-mode.video .sbo-inpage-toc .tabs li.item-1,body.cloudy-mode.video .sbo-inpage-toc .tabs li.item-2,body.cloudy-mode.video .sbo-inpage-toc .tabs li.item-3,body.cloudy-mode.video .sbo-inpage-toc .tabs li.item-4{border-left:1px solid #c7c1b4}body.cloudy-mode .nav-icn.active{background-color:#f5eee0!important}body.cloudy-mode .rec-fav.active:before{color:#F65D22}body.cloudy-mode .cloudy{background-color:#000!important}body.cloudy-mode .cloudy .fa{color:#F65D22!important}body.cloudy-mode .day{background-color:#222!important}body.cloudy-mode .day .fa{color:#FFF!important}body.cloudy-mode #container{background-color:#f5eee0!important}body.cloudy-mode .pagefoot{background-color:#f5eee0}body.cloudy-mode .pagefoot .icon-up{background-color:#f5eee0;border:1px solid #c7c1b4}body.cloudy-mode .pagefoot a{color:#404040!important}body.cloudy-mode .interface-controls .queue-control .rec-fav:focus,body.cloudy-mode .interface-controls .queue-control .rec-fav:hover{background-color:#f5eee0!important}body.cloudy-mode .interface-controls .sharing-controls,body.cloudy-mode .interface-controls a,body.cloudy-mode .interface-controls button,body.cloudy-mode .search-in-archive,body.cloudy-mode .search-in-archive.active .search-controls{background-color:#f5eee0}body.cloudy-mode .interface-controls .fa-share,body.cloudy-mode .interface-controls a:before,body.cloudy-mode .interface-controls button:before{color:#ada799}body.cloudy-mode .search-in-archive.active{border-color:#c7c1b4;background-color:#f5eee0}body.cloudy-mode .search-in-archive.active .search-controls:before{background-color:#F65D22}body.cloudy-mode .sbo-book-meta,body.cloudy-mode .search-in-archive .search-archive-bar,body.cloudy-mode .search-in-archive .search-archive-results li,body.cloudy-mode .search-in-archive .search-archive-results li.pagination a,body.cloudy-mode .search-in-archive .search-archive-results li.search-whole-site a,body.cloudy-mode .search-in-archive .search-archive-results ul,body.cloudy-mode .toc-contents,body.cloudy-mode .tocList li{background-color:#f5eee0}body.cloudy-mode .search-in-archive .search-archive-results li{border-color:#c7c1b4;color:#404040}body.cloudy-mode .search-in-archive .search-archive-results li .description{color:#404040}body.cloudy-mode .search-in-archive .search-archive-results li a.title{color:#404040;background-color:#f5eee0}@media screen and (min-width:49.4375em){body.cloudy-mode .interface-controls #font-controls,body.cloudy-mode .interface-controls .search-in-archive,body.cloudy-mode .interface-controls button{border-bottom:1px solid #c7c1b4}body.cloudy-mode .interface-control-btns{border:1px solid #c7c1b4}}body.cloudy-mode .toc-contents{border:10px solid #c7c1b4}body.cloudy-mode .sbo-book-meta{border-bottom:1px solid #c7c1b4}body.cloudy-mode .tocList li.currently-reading,body.cloudy-mode .tocList li.currently-reading a{background-color:#EAE7DB}body.cloudy-mode .nav-link,body.cloudy-mode .sbo-menu-top{background-color:#f5eee0}body.cloudy-mode .sbo-prev .nav-link{border:none;border-right:1px solid #c7c1b4;border-bottom:1px solid #c7c1b4}body.cloudy-mode .sbo-menu-top,body.cloudy-mode .sbo-next .nav-link{border-bottom:1px solid #c7c1b4}body.cloudy-mode .sbo-menu-top{border-right:1px solid #c7c1b4;border-left:1px solid #c7c1b4}body.cloudy-mode .sbo-next.sbo-nav-bottom,body.cloudy-mode .sbo-prev.sbo-nav-bottom{border-top:1px solid #c7c1b4}body.cloudy-mode .topbar{background-color:#e0d9cb!important}body.cloudy-mode .topbar .topnav>li a:hover{background-color:#f5eee0}@media screen and (max-width:32.5625em),(max-height:26.25em){body.cloudy-mode .sbo-next .nav-link{border-top:none}}body.cloudy-mode #sbo-rt-content{background-color:#f5eee0!important}body.cloudy-mode #sbo-rt-content div,body.cloudy-mode #sbo-rt-content table,body.cloudy-mode #sbo-rt-content table th,body.cloudy-mode #sbo-rt-content table thead,body.cloudy-mode #sbo-rt-content table tr{background-color:#f5eee0!important;border:none!important}body.cloudy-mode #sbo-rt-content .box_title,body.cloudy-mode #sbo-rt-content .chaptertitle,body.cloudy-mode #sbo-rt-content .cn-chapter-number,body.cloudy-mode #sbo-rt-content .figure-title,body.cloudy-mode #sbo-rt-content .fm_title_document,body.cloudy-mode #sbo-rt-content .h1,body.cloudy-mode #sbo-rt-content .heading-1,body.cloudy-mode #sbo-rt-content .heading-3,body.cloudy-mode #sbo-rt-content .paragraph-head,body.cloudy-mode #sbo-rt-content .title,body.cloudy-mode #sbo-rt-content .title_document,body.cloudy-mode #sbo-rt-content h1,body.cloudy-mode #sbo-rt-content h2,body.cloudy-mode #sbo-rt-content h3,body.cloudy-mode #sbo-rt-content h4,body.cloudy-mode #sbo-rt-content h5,body.cloudy-mode #sbo-rt-content h6,body.cloudy-mode #sbo-rt-content hr{background-color:#f5eee0;color:#404040!important}body.cloudy-mode #sbo-rt-content .pre,body.cloudy-mode #sbo-rt-content .pre-ex,body.cloudy-mode #sbo-rt-content .pre1,body.cloudy-mode #sbo-rt-content .pre_w,body.cloudy-mode #sbo-rt-content p.pre,body.cloudy-mode #sbo-rt-content pre{background-color:#f5eee0!important;color:#404040!important;border:none!important}body.cloudy-mode #sbo-rt-content a,body.cloudy-mode #sbo-rt-content dt,body.cloudy-mode #sbo-rt-content li,body.cloudy-mode #sbo-rt-content p,body.cloudy-mode #sbo-rt-content strong{color:#404040;box-shadow:none!important}body.cloudy-mode #sbo-rt-content div{color:inherit!important}body.cloudy-mode #sbo-rt-content div.bgbox dd,body.cloudy-mode #sbo-rt-content div.bgbox dt,body.cloudy-mode #sbo-rt-content div.bgbox li,body.cloudy-mode #sbo-rt-content div.bgbox p,body.cloudy-mode #sbo-rt-content div.boxg dt,body.cloudy-mode #sbo-rt-content div.boxg li,body.cloudy-mode #sbo-rt-content div.boxg p,body.cloudy-mode #sbo-rt-content div.feature dd,body.cloudy-mode #sbo-rt-content div.feature dt,body.cloudy-mode #sbo-rt-content div.note dd,body.cloudy-mode #sbo-rt-content div.note dt,body.cloudy-mode #sbo-rt-content div.note li,body.cloudy-mode #sbo-rt-content div.note p,body.cloudy-mode #sbo-rt-content div.sidebar dd,body.cloudy-mode #sbo-rt-content div.sidebar dt,body.cloudy-mode #sbo-rt-content div.sidebar li,body.cloudy-mode #sbo-rt-content div.sidebar p,body.cloudy-mode #sbo-rt-content div.sidebar1 dd,body.cloudy-mode #sbo-rt-content div.sidebar1 dt,body.cloudy-mode #sbo-rt-content div.sidebar1 li,body.cloudy-mode #sbo-rt-content div.sidebar1 p,body.cloudy-mode #sbo-rt-content div.tip dd,body.cloudy-mode #sbo-rt-content div.tip dt,body.cloudy-mode #sbo-rt-content div.tip li,body.cloudy-mode #sbo-rt-content div.tip p,body.cloudy-mode #sbo-rt-content div.warning dd,body.cloudy-mode #sbo-rt-content div.warning dt,body.cloudy-mode #sbo-rt-content div.warning li,body.cloudy-mode #sbo-rt-content div.warning p,body.cloudy-mode #sbo-rt-content p.note,body.cloudy-mode #sbo-rt-content p.pre-ex{color:#404040}body.cloudy-mode #sbo-rt-content div.bgbox p a,body.cloudy-mode #sbo-rt-content div.boxg p a,body.cloudy-mode #sbo-rt-content div.note a,body.cloudy-mode #sbo-rt-content div.note p a,body.cloudy-mode #sbo-rt-content div.sidebar p a,body.cloudy-mode #sbo-rt-content div.sidebar1 p a,body.cloudy-mode #sbo-rt-content div.tip p a,body.cloudy-mode #sbo-rt-content div.warning p a,body.cloudy-mode #sbo-rt-content p.note a,body.cloudy-mode #sbo-rt-content p.pre-ex a{color:#404040;text-decoration:none}body.cloudy-mode #sbo-rt-content div.note h3,body.cloudy-mode #sbo-rt-content div.note p.title,body.cloudy-mode #sbo-rt-content div.sidebar h5,body.cloudy-mode #sbo-rt-content div.sidebar p.title,body.cloudy-mode #sbo-rt-content div.sidebar-title,body.cloudy-mode #sbo-rt-content div.tip h3,body.cloudy-mode #sbo-rt-content div.warning h3,body.cloudy-mode #sbo-rt-content p.box_title{background-color:transparent;color:#404040!important}body.cloudy-mode #sbo-rt-content .boxbg,body.cloudy-mode #sbo-rt-content .note,body.cloudy-mode #sbo-rt-content .note1,body.cloudy-mode #sbo-rt-content .sidebar1,body.cloudy-mode #sbo-rt-content .tip,body.cloudy-mode #sbo-rt-content .warning,body.cloudy-mode #sbo-rt-content div.note,body.cloudy-mode #sbo-rt-content div.sidebar,body.cloudy-mode #sbo-rt-content div.tip,body.cloudy-mode #sbo-rt-content div.warning{box-shadow:none;color:#404040!important}body.cloudy-mode #sbo-rt-content td,body.cloudy-mode #sbo-rt-content td a,body.cloudy-mode #sbo-rt-content td li,body.cloudy-mode #sbo-rt-content td p,body.cloudy-mode #sbo-rt-content td p a,body.cloudy-mode #sbo-rt-content th,body.cloudy-mode #sbo-rt-content th p{color:#404040}body.cloudy-mode #sbo-rt-content span.annotator-hl{background-color:#ddd;color:#000}.scale-right-to-left-appear{transform:scale(0);transform-origin:top right;transition:.3s all cubic-bezier(.19,1,.22,1)}.scale-right-to-left-appear-active{transform:scale(1)}.fade-in-appear{opacity:.01}.fade-in-appear-active{opacity:1;transition:opacity .5s ease-in}.right{float:right}.modal-active{overflow:hidden}.no-touch .modal-active .title-cards .title-hover{visibility:visible;opacity:1;display:block}button.fetching{background-size:30px;padding-right:35px!important}.modal-underlay{position:fixed;width:100%;height:100%;background-color:rgba(255,255,255,.7);left:0;top:0;z-index:999;transition:opacity .25s ease-in-out}.modal-underlay-appear{opacity:.01}.modal-underlay-appear-active{opacity:1;transition:opacity .5s ease-in}.modal-menu{height:140px;overflow-y:auto}.modal-wrapper .dropdown-item a,.modal-wrapper .dropdown-item a .item-title{overflow:hidden;text-overflow:ellipsis;max-width:420px}.modal-wrapper{width:480px;z-index:9999;background-color:#FFF;position:fixed;left:50%;margin-left:-240px;top:100px;border:1px solid #ededed;-moz-box-shadow:0 1px 3px 0 rgba(0,0,0,.1);-webkit-box-shadow:0 1px 3px 0 rgba(0,0,0,.1);box-shadow:0 1px 3px 0 rgba(0,0,0,.1);padding:1em 2em 3em;border-radius:1.5px;text-align:left}.modal-wrapper h1{margin:0 0 20px;font-size:24px;font-weight:400}.modal-wrapper h4{color:#070707;font-size:16px;font-weight:700;margin:1em 0 .5em}.modal-wrapper input[type=search]{width:100%;padding:8px;border:1px solid #DDD;font-size:larger;margin:0;-webkit-appearance:none}.modal-wrapper .wrap-search{position:relative}.modal-wrapper .wrap-search svg{position:absolute;right:5px;top:5px}.modal-wrapper .modal-menu .does-exist-in-collection{background-color:#F5F5F5}.modal-wrapper .modal-menu li{height:35px}.modal-wrapper .modal-menu li a{color:#070707;padding:0 .5em;width:100%;display:block;font-size:16px;line-height:35px}.modal-wrapper .modal-menu li a:hover{background-color:#EDEDED;text-decoration:none}.modal-wrapper .dropdown-item a{white-space:nowrap;position:relative;padding-right:40px!important}.modal-wrapper .error-message{background-color:#ef9a9a;margin-bottom:30px;margin-top:10px;max-width:920px;padding:10px 20px;width:100%}.modal-wrapper .error-message p{font-size:1em;margin:0}@media (max-width:768px){.modal-wrapper{width:100%;margin-left:0;left:0;top:0;height:100%}}.modal-wrapper .modal-close{position:absolute;top:0;right:0;padding:.6em;max-width:40px;max-height:40px;background:#fff;border-radius:50%!important;-webkit-transition:all .5s cubic-bezier(.23,1,.32,1);transition:all .5s cubic-bezier(.23,1,.32,1)}.modal-wrapper .modal-close svg{fill:#676767;height:24px;pointer-events:none;width:24px;vertical-align:top}.modal-close:hover{background-color:#DDD}.modal-close:focus{background-color:#AAA}.modal-wrapper .modal-menu li.list-slide-leave{height:35px;opacity:1}.modal-wrapper .modal-menu li.list-slide-leave-active{height:0;opacity:.01;transition:all .3s ease-in}.modal-wrapper .modal-menu li.list-slide-enter{height:0;opacity:.01}.modal-wrapper .modal-menu li.list-slide-enter-active{height:35px;opacity:1;transition:all .3s ease-in}.modal-wrapper .dropdown-item a .is-fetching-gif,.modal-wrapper .dropdown-item a svg,.modal-wrapper .dropdown-item a.error svg{position:absolute;right:5px;top:8px}.modal-create-collection.modal-wrapper{padding:1em 2em 6em}.modal-create-collection .create-collection-container input[type=text],.modal-create-collection .create-collection-container textarea{border:none;border-bottom:2px solid #404040;background-color:transparent;width:100%;max-width:100%;border-radius:0;outline:0;padding:6px 0}.modal-create-collection .create-collection-container input[type=text]{font-size:20px}.modal-create-collection .create-collection-container textarea{margin-top:.35em;resize:none}.modal-create-collection .create-collection-container label{line-height:1.3em;margin-top:0;color:#999}.modal-create-collection .create-collection-container input[type=text].error{border:none;border-bottom:2px solid #b9002d;background-color:transparent}.modal-create-collection .create-collection-container input[type=text].success{border:none;border-bottom:2px solid green;background-color:transparent}.modal-create-collection .create-collection-container label.error,.modal-create-collection .create-collection-container label.success{font-weight:700;color:#444}.modal-create-collection .create-collection-container label.success a{cursor:pointer;color:#F65D22}.modal-create-collection .create-collection-container .actions{position:absolute;right:28px;bottom:30px;display:block}.modal-create-collection .create-collection-container .actions .cancel{color:#333}.modal-create-collection .create-collection-container .actions li{display:inline-block;margin-left:15px}#sbo-rt-content nav[hidden],.js-playlist-addto-label,.modal-wrapper .create-collection-container .wrap-textarea h2,.modal-wrapper .wrap-collection-name-input .wrap-svg{display:none}.modal-wrapper .wrap-collection-name-input{padding-right:0}.modal-wrapper .wrap-collection-name-input .actions{position:absolute;top:300px;left:auto;right:30px}@media screen and (max-width:51.25em){.modal-wrapper .create-collection-container{margin-top:0}}.modal-wrapper .create-collection-container .wrap-collection-name-input,.modal-wrapper .create-collection-container .wrap-textarea{margin-top:0}@media screen and (max-width:320px){.modal-wrapper .create-collection-container .actions{left:0}.modal-wrapper .create-collection-container .actions li{width:100%}.modal-wrapper .create-collection-container .actions li button{width:100%;margin-bottom:5px}}.modal-pair-devices{text-align:center;padding-top:30px}.modal-pair-devices p{font-size:14px;color:#AAA}.modal-pair-devices .button-primary,.modal-pair-devices .button-secondary,.modal-pair-devices button{padding:10px 40px;margin-top:15px}.modal-wrapper.expiring-pair-code-modal-nag h1,.modal-wrapper.modal-pair-devices h1{padding-right:30px;line-height:1.25em;margin-top:15px}.modal-wrapper.expiring-pair-code-modal-nag,.modal-wrapper.modal-pair-devices{text-align:center}.modal-wrapper.expiring-pair-code-modal-nag p,.modal-wrapper.modal-pair-devices p{color:#999}@media (max-width:540px){.modal-wrapper.expiring-pair-code-modal-nag .button-primary,.modal-wrapper.expiring-pair-code-modal-nag .button-secondary,.modal-wrapper.expiring-pair-code-modal-nag button,.modal-wrapper.modal-pair-devices .button-primary,.modal-wrapper.modal-pair-devices .button-secondary,.modal-wrapper.modal-pair-devices button{width:100%;margin:10px 0;text-align:center}}.title-cards .card-hover-actions .card-button{min-width:fit-content}.title-cards .card-hover-actions .title-add-to-queue{position:absolute;right:10px}.js-transform-playlist-titles .title-hover .js-playlist-icon{left:30px;position:inherit;top:8px}.js-transform-playlist-titles .title-hover .js-playlist-icon svg{right:0;position:inherit}@media screen and (max-width:580px){.js-transform-playlist-titles .title-hover .js-playlist-icon{top:10px;left:25px;position:inherit}.js-transform-playlist-titles .title-hover .js-playlist-icon svg{top:-3px;left:3px;position:relative}}.js-playlist-icon{position:relative;top:1px;left:2px;width:18px;height:16px;border:none!important;outline:0!important;overflow:visible}.menu-dropdown-region li a,.sbo-title{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.sbo-inpage-toc-inner .js-playlist-icon{left:20px;position:initial}.js-playlists-menu{position:relative;bottom:-2px;right:2px}.icon-add-to-playlist-sml,.icon-added-to-playlist-sml{width:16px;height:14px;position:initial;bottom:2px;right:1px}.queue-control .icon-add-to-playlist-sml,.queue-control .icon-added-to-playlist-sml{width:auto;height:auto;bottom:15px;right:15px}.interface-controls .collections-dropdown .menu-control .tooltip.top-right.playlist-tooltip{top:40px!important;right:16px!important}.js-playlists-menu .icon-add-to-playlist-sml g g{fill:#b3b3b3}.js-playlists-menu .icon-added-to-playlist-sml g g,.js-playlists-menu:hover .icon-add-to-playlist-sml g g{fill:#F65D22}.top-right.playlist-tooltip{top:32px!important;right:-5px!important}.top-left.playlist-tooltip{left:4px!important}*{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased}#sbo-rt-content{position:relative;z-index:10}#sbo-rt-content img{height:auto;max-width:100%}#sbo-rt-content .sbo-vid-wrapper{background-color:#000;width:100%;position:relative;padding-bottom:75%}#sbo-rt-content .sbo-vid-wrapper.arriving{background:center center no-repeat #000}#sbo-rt-content .sbo-vid-wrapper iframe,#sbo-rt-content .sbo-vid-wrapper object{position:absolute;top:0;bottom:0;left:0;right:0}#sbo-rt-content .sbo-vid-wrapper.kaltura-player{padding-bottom:60.1%}@media screen and (max-width:78.125em){#sbo-rt-content .sbo-vid-wrapper.kaltura-player{padding-bottom:61%}}@media screen and (max-width:50em){#sbo-rt-content .sbo-vid-wrapper.kaltura-player{padding-bottom:62%}}@media screen and (max-width:43.75em){#sbo-rt-content .sbo-vid-wrapper.kaltura-player{padding-bottom:63%}}@media screen and (max-width:40.625em){#sbo-rt-content .sbo-vid-wrapper.kaltura-player{padding-bottom:64%}}@media screen and (max-width:34.375em){#sbo-rt-content .sbo-vid-wrapper.kaltura-player{padding-bottom:64.5%}}@media screen and (max-width:30em){#sbo-rt-content .sbo-vid-wrapper.kaltura-player{padding-bottom:66%}}@media screen and (max-width:26.25em){#sbo-rt-content .sbo-vid-wrapper.kaltura-player{padding-bottom:67%}}@media screen and (max-width:23.75em){#sbo-rt-content .sbo-vid-wrapper.kaltura-player{padding-bottom:68%}}body{margin:0}body.reading{background-color:#FFF;padding-top:62px}@media screen and (max-width:32.5em),screen and (max-height:26.25em){body.reading{padding-top:0}}body.reading.video{padding-top:0}#certs-integration-floater{margin:0;padding-left:16px;display:none;position:fixed;bottom:24px;right:132px;width:229px;height:100px;background-color:#fff;color:#3d3b49;border:1px solid #929292;border-radius:2px;z-index:100001}#certs-integration-floater .orm-icon-close-x{width:12px;height:12px;position:absolute;top:12px;right:12px;background:url(/static/images/close.862fc3a7237a.png) right no-repeat;background-size:12px 12px}#certs-integration-floater p{margin:12px 0 8px;font-family:Guardian,sans-serif;font-size:14px;font-weight:600;line-height:24px}#certs-integration-floater a{font-size:12px;font-family:Guardian,sans-serif;color:#d3002d}#certs-integration-floater a:hover{color:#d3002d}#certs-integration-floater .bar{position:absolute;top:-1px;left:-1px;width:4px;height:100px;background-color:#d3002d}#certs-integration-floater li{margin:0 0 4px}#certs-integration-floater svg{position:relative;top:3px;left:0}#certs-integration-floater svg *{fill:#d3002d}.practice-exam-control{display:flex;align-items:center;justify-content:center;border-top:1px solid #ccc}.practice-exam-control a:hover svg *{fill:#f65d22}@media screen and (min-width:32.5625em){.practice-exam-control{border-top:inherit}}.guide-control{display:flex;align-items:center;justify-content:center;border-top:1px solid #ccc}.guide-control a svg{width:55%;height:100%}.guide-control a svg *{fill:#b3b3b3}.guide-control a:hover svg *{fill:#f65d22}@media screen and (min-width:32.5625em){.guide-control{border-top:inherit}}.is-fetching-gif{max-width:18px;float:right}.menu-caret .is-fetching-gif{max-width:12px}.menu-dropdown-region{position:absolute;left:-305px;top:-1px;width:300px;text-align:left;background-color:#f6f6f6;z-index:99;-webkit-border-radius:5px 0 0 5px;border-radius:5px 0 0 5px;background-clip:padding-box;-moz-box-shadow:0 2px 5px #aaa;-webkit-box-shadow:0 2px 5px #aaa;box-shadow:0 2px 5px #aaa;border:1px solid #EEE}.menu-dropdown-region li{float:left;background-color:transparent!important}.interface-controls .collections-dropdown .caret .is-fetching-gif,.modal-wrapper .modal-menu li.dropdown-item{float:none}.menu-dropdown-region li.is-fetching{background-color:#F5F5F5}.menu-dropdown-region li a{display:inline-block;max-width:300px;height:auto;font-size:inherit;padding:10px 30px 10px 10px;width:100%;text-align:left;font-family:"Source Sans Pro",arial,sans-serif;color:#1d2225}.nav-link,.sbo-prev-next,.sbo-reading-menu{font-family:"source sans pro",sans-serif}.menu-dropdown-region li a:focus,.menu-dropdown-region li a:hover{background-color:#eee;color:#1d2225;text-decoration:none!important}.menu-dropdown-region li img,.menu-dropdown-region li svg{position:absolute;top:9px;right:10px}@media screen and (max-width:49.375em){.menu-dropdown-region{left:-150px;top:40px}.menu-dropdown-region li{float:none;width:100%}}.modal-active .sbo-reading-menu{display:none}.modal-wrapper input{margin:0 0 .5em}.modal-wrapper .modal-close{margin:5px}.modal-wrapper .dropdown-item a{text-align:left}.modal-wrapper .actions a,.modal-wrapper .actions button{width:auto;height:auto;font-size:15px;color:#404040}.interface-controls .modal-wrapper a{width:auto;height:auto;font-size:13px;cursor:pointer}.interface-controls .queue-control .collections-dropdown .rec-fav:before{left:-5px}.interface-controls .collections-dropdown .caret{position:absolute;top:10px;width:10px;left:35px;background-color:transparent}.interface-controls .collections-dropdown .caret .menu-caret{padding:0;width:auto;height:auto;border:none;text-align:left;outline:0}.interface-controls .collections-dropdown .caret .menu-caret svg{-ms-transform:rotate(0);-webkit-transform:rotate(0);transform:rotate(0)}.interface-controls .collections-dropdown .caret .menu-caret.opened svg{-ms-transform:rotate(180deg);-webkit-transform:rotate(180deg);transform:rotate(180deg)}.interface-controls .collections-dropdown .caret a{height:20px}.interface-controls .collections-dropdown .dropdown-item.border-top{border-top:1px solid #D1D1D1}.interface-controls .collections-dropdown .menu-control{border-bottom:1px solid #CCC;height:50px}.interface-controls .collections-dropdown .menu-control svg{width:19px!important;height:25px!important}@media screen and (max-width:49.4375em){.interface-controls .collections-dropdown .menu-control{border-bottom:0}}@media screen and (max-height:26.25em){.interface-controls .collections-dropdown .menu-control{border-bottom:0}}.interface-controls .collections-dropdown .menu-control .tooltip{position:absolute;right:0;top:45px;color:#FFF;opacity:1}.interface-controls .collections-dropdown .menu-control .tooltip.queue-tooltip{right:20px}.interface-controls .collections-dropdown .queue-spinner{width:30px;position:relative;top:8px;right:5px}.interface-controls .collections-dropdown .rec-fav{border-bottom:none}.interface-controls .collections-dropdown .rec-fav:hover{color:#F65D22}.sbo-inpage-toc .collections-dropdown{width:80px;height:40px;position:absolute;right:10px;top:0;max-width:10%}.sbo-inpage-toc .queue-spinner{width:20px;position:absolute;right:12px;top:10px}.sbo-inpage-toc .collections-dropdown .menu-caret{position:relative;padding:0!important;margin:0!important;width:15px;height:20px;top:-1px;left:70px;border:none;background-color:transparent;outline:0}.sbo-inpage-toc .collections-dropdown .menu-caret svg{-ms-transform:rotate(0);-webkit-transform:rotate(0);transform:rotate(0);width:6px;height:4px}.sbo-inpage-toc .collections-dropdown .menu-caret.opened svg{-ms-transform:rotate(180deg);-webkit-transform:rotate(180deg);transform:rotate(180deg)}.sbo-inpage-toc .collections-dropdown .menu-caret a:hover{text-decoration:none}.sbo-inpage-toc .collections-dropdown .menu-caret .is-fetching-gif{position:absolute;right:0;top:1px}.sbo-inpage-toc .collections-dropdown .menu-caret:before{margin-left:0!important}.sbo-inpage-toc .collections-dropdown .menu-dropdown-region{left:-255px}.sbo-inpage-toc .collections-dropdown .menu-dropdown-region .dropdown-item{width:100%;padding:0}.sbo-inpage-toc .collections-dropdown .menu-dropdown-region .dropdown-item.border-top{border-top:1px solid #D1D1D1}.sbo-inpage-toc .collections-dropdown .menu-dropdown-region .dropdown-item a{padding:6px 15px 6px 10px;border:none}@media screen and (max-width:28.125em){.sbo-inpage-toc .collections-dropdown .menu-dropdown-region{left:-170px}}.sbo-inpage-toc .collections-dropdown .menu-control .tooltip{position:absolute;right:10px;top:35px;color:#FFF;opacity:1}.sbo-inpage-toc .collections-dropdown .menu-control .tooltip.queue-tooltip{right:13px}.sbo-inpage-toc .collections-dropdown .menu-control .tooltip.collections-tooltip{right:-10px}.tooltip.top-right .tooltip-arrow{top:-5px;transform:rotate(180deg)}.reading .mfp-bg{background-color:#000}.reading .mfp-content{margin:.625rem}@media screen and (max-width:32.625em){.reading .mfp-content{margin:0}}.reading .mfp-content img{background-color:#FFF;padding:0}.reading .mfp-content .mfp-figure{background-color:#000;padding:1.5625rem .625rem 0;border:1px solid #555;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box}.reading .mfp-content .mfp-figure button{color:#9b9b9b;font-weight:700;font-size:25px;font-size:1.5625rem;padding:0;right:5px;top:-8px}@media screen and (max-width:32.5em){.reading .mfp-content .mfp-figure{padding:2.5rem 0}}.reading .mfp-content .mfp-figure .mfp-title{color:rgba(64,64,64,.75)}.no-touch .nav-link:hover,.no-touch .nav-link:hover .pagination-label,.no-touch .nav-link:hover .pagination-label:after,.no-touch .nav-link:hover .pagination-label:before,.no-touch .pagination-label:after:hover,.no-touch .pagination-label:after:hover .pagination-label,.no-touch .pagination-label:after:hover .pagination-label:after,.no-touch .pagination-label:after:hover .pagination-label:before,.no-touch .pagination-label:before:hover,.no-touch .pagination-label:before:hover .pagination-label,.no-touch .pagination-label:before:hover .pagination-label:after,.no-touch .pagination-label:before:hover .pagination-label:before,.no-touch .pagination-label:hover,.no-touch .pagination-label:hover .pagination-label,.no-touch .pagination-label:hover .pagination-label:after,.no-touch .pagination-label:hover .pagination-label:before,.sbo-nav-top:hover a,.sbo-nav-top:hover div,.sbo-nav-top:hover span,.sbo-nav-top:hover span:after,.sbo-nav-top:hover span:before,.sbo-toc-thumb:active .ss-list:before,.sbo-toc-thumb:focus .ss-list:before,.sbo-toc-thumb:hover .ss-list:before{color:#F65D22}.reading .mfp-content .mfp-figure:after{position:relative}.reading .mfp-content .mfp-figure .mfp-bottom-bar{position:relative;margin:20px 0 0}@media screen and (max-width:32.625em){.reading .mfp-content .mfp-figure .mfp-bottom-bar{margin:20px 0 0 10px}}#sbo-rt-content img.js-totri-lightbox{-moz-transition:border 200ms linear;-webkit-transition:border 200ms linear;-o-transition:border 200ms linear;transition:border 200ms linear;cursor:pointer;cursor:-webkit-zoom-in;cursor:-moz-zoom-in;cursor:zoom-in;border:2px solid #404040!important}#sbo-rt-content a.totri-footnote{padding:.5rem .375rem .375rem;border:none!important;display:inline-block}#sbo-rt-content a.totri-footnote:hover{text-decoration:underline}#sbo-rt-content sup{position:relative;top:-8px;z-index:2}.topnav .search{display:none}@media screen and (max-width:32.5625em){.topnav .search{display:inline-block}}.clearfix:after,.clearfix:before{content:" ";display:table}.clearfix:after{clear:both}.sbo-prev-next{background:#fff}.sbo-nav-bottom{position:relative;z-index:20}.sbo-nav-top{position:relative;z-index:1}.nav-link{text-overflow:ellipsis}.nav-link,.pagination-label,.pagination-label:after,.pagination-label:before{transition:color .2s ease-out}.nav-link,.pagination-label,.pagination-label:after,.pagination-label:before,.ss-list:before{-moz-transition:color .2s ease-out;-webkit-transition:color .2s ease-out;-o-transition:color .2s ease-out}.sbo-reading-menu{background-color:#f7f7f7;position:relative}.sbo-reading-menu a{text-decoration:none}.ss-list:before{transition:color .2s ease-out;color:#777;font-size:13px;margin-right:5px;vertical-align:middle}.sbo-toc-thumb{z-index:29;padding:.75rem;text-align:center;width:100%;display:inline-block;border:none;-webkit-box-shadow:0 0 0 transparent;box-shadow:0 0 0 transparent;text-shadow:0 0 0 transparent}@media screen and (max-width:32.5625em){.sbo-toc-thumb{padding:1.375rem 0 0}}.sbo-toc-thumb:active,.sbo-toc-thumb:focus,.sbo-toc-thumb:hover{background-color:transparent;focus:0}.sbo-toc-thumb.close:hover{background-color:transparent}.sbo-title{display:inline-block;width:87%;position:relative}@media screen and (min-width:32.625em){.sbo-title{top:5px}}.sbo-title h1{display:inline}.touch .pdfdoc #font-controls,body.video #font-controls,body.video .search-controls{display:none}.sbo-menu-top{margin-right:55px;z-index:30}.sbo-menu-bottom .sbo-toc-thumb,.sbo-menu-bottom .title-link{z-index:20}#font-controls,.search-controls{position:relative;padding:.5rem;-webkit-transition:all .2s ease-in-out;-moz-transition:all .2s ease-in-out;-ms-transition:all .2s ease-in-out;-o-transition:all .2s ease-in-out;transition:all .2s ease-in-out;text-decoration:none}#font-controls:before,.search-controls:before{font-family:SSFlow;content:'\F706';height:45px;width:45px;font-size:19px;font-size:1.1875rem;top:8px;position:relative}#font-controls.open,.search-controls.open{border-left:1px solid #777;background-color:#222;-webkit-border-top-right-radius:2px;-webkit-border-bottom-right-radius:2px;-moz-border-radius-topright:2px;-moz-border-radius-bottomright:2px;border-top-right-radius:2px;border-bottom-right-radius:2px}#font-controls.open:before,.search-controls.open:before{font-family:SSFlow!important;content:'\2421'!important;font-size:21px!important;vertical-align:middle;top:4px;color:#F65D22}.touch .search-in-archive .search-archive-bar input{padding:.5rem 0 .4375rem .125rem}.no-zoom .search-in-archive .search-archive-bar{padding:.3125rem 0 .3125rem .375rem}.no-zoom .search-in-archive .search-archive-bar input{padding:.625rem 0 .4375rem .125rem;position:relative;top:-1px}.no-zoom #font-controls:before,.no-zoom .search-controls:before{top:7px}.search-in-archive .sitb-title{float:left;width:100%}.search-in-archive .sitb-title span{float:right}.search-in-archive.loading .search-archive-bar:before{content:'';background-image:url(/static/images/loading.6b1710a5f2bc.gif);position:absolute;right:30px;top:15px;z-index:1;width:20px;height:20px;background-size:20px 20px}.search-in-archive .search-controls:before{content:'🔎';background-color:transparent;left:-8px;top:6px;padding:.4375rem .5rem .1875rem .9375rem;-webkit-border-radius:0 2px 2px 0;border-radius:0 2px 2px 0;background-clip:padding-box}.search-in-archive.active{border:1px solid #CCC;-webkit-border-radius:0 2px 2px 0;border-radius:0 2px 2px 0;background-clip:padding-box;margin-right:-58px}.search-in-archive.active .search-archive-bar,.search-in-archive.active .search-archive-results{visibility:visible}.search-in-archive.active .search-controls{background-color:transparent;-webkit-border-radius:0 2px 2px 0;border-radius:0 2px 2px 0;background-clip:padding-box}.search-in-archive.active .search-controls:before{color:#FFF;content:'🔎';background-color:#CCC}.search-in-archive.active .search-controls:hover:before{color:#FFF;background-color:#F65D22}.search-in-archive.result-active{-webkit-border-radius:0 2px 0 0;border-radius:0 2px 0 0;background-clip:padding-box}.search-in-archive .search-archive-bar{visibility:hidden;background-color:#fff;padding:.3125rem 0 .4375rem .375rem;border:1px solid #CCC;border-right:none;position:absolute;right:46px;-webkit-border-radius:2px 0 0 2px;border-radius:2px 0 0 2px;background-clip:padding-box;top:-1px;z-index:99}.search-in-archive .search-archive-bar input{min-width:260px;display:inline-block;padding:.4375rem .4375rem .4375rem .375rem;text-overflow:ellipsis;font-size:16px!important;font-family:"source sans pro",sans-serif,arial,sans-serif;background-color:#fff;border:1px solid #CCC;border-right:none;position:relative;margin-top:1px;-webkit-appearance:none;-webkit-border-radius:0;border-radius:0;background-clip:padding-box}.search-in-archive.result-active .search-archive-bar{border-bottom:none;-webkit-border-radius:2px 0 0;border-radius:2px 0 0;background-clip:padding-box}.search-in-archive .search-archive-results{visibility:hidden;position:absolute;right:-1px;font-family:"source sans pro",sans-serif;width:314px;text-align:left}.search-in-archive .search-archive-results.results-error{right:0!important}.search-in-archive .search-archive-results.results-error h1{font-size:18px;font-size:1.125rem;padding:1.25rem .625rem}.search-in-archive .search-archive-results ul{overflow-x:hidden;overflow-y:scroll;padding:0 10px;border:1px solid #CCC;border-top:none;-webkit-border-radius:0 0 2px 2px;border-radius:0 0 2px 2px;background-clip:padding-box;background-color:#fff;max-height:240px;max-height:100%}@media screen and (min-height:26.25em){.search-in-archive .search-archive-results ul{max-height:200px}}@media screen and (min-height:570px){.search-in-archive .search-archive-results ul{max-height:400px}}@media screen and (min-height:840px){.search-in-archive .search-archive-results ul{max-height:550px}}@media screen and (min-height:1050px){.search-in-archive .search-archive-results ul{max-height:100%}}.search-in-archive .search-archive-results li.pagination{text-align:center;padding:.625rem 0;border-bottom:0;clear:left;color:#404040}.search-in-archive .search-archive-results li.pagination a{height:5px;width:10px;position:relative;top:-8px;color:#F65D22;font-size:14px;font-size:.875rem}.search-in-archive .search-archive-results li.no-results{color:#404040;border-bottom:1px solid #ddd;padding:10px 0 15px}.search-in-archive .search-archive-results li.sitb-item{padding:10px 0;border-bottom:1px solid #ccc;background-color:transparent;color:#404040;font-size:14px;font-size:.875rem;float:left}.search-in-archive .search-archive-results li.sitb-item .description{width:300px;max-height:240px;overflow:hidden;text-overflow:ellipsis}.search-in-archive .search-archive-results li .description{display:inline-block;padding-bottom:10px;color:#404040;font-size:16px;font-size:1rem}.search-in-archive .search-archive-results li .description+span{float:right}.search-in-archive .search-archive-results li a.title{width:auto;height:auto;padding:3px 0;text-align:left;font-family:"source sans pro",sans-serif;display:block;font-size:14px;font-size:.875rem;color:#404040}.search-in-archive .search-archive-results li a.title:hover{color:#F65D22}.search-in-archive .search-archive-results li.search-whole-site{clear:left;padding:5px 0 0;margin:0 0 0 2px;text-align:center;border:none}.interface-controls .interface-control-btns:after,.interface-controls:after{clear:both}.search-in-archive .search-archive-results li.search-whole-site a{color:#F65D22;font-family:"source sans pro",sans-serif;width:auto;font-size:100%}.font-flyout{opacity:0;position:absolute;-webkit-transition:opacity .2s ease-in-out;-moz-transition:opacity .2s ease-in-out;-ms-transition:opacity .2s ease-in-out;-o-transition:opacity .2s ease-in-out;transition:opacity .2s ease-in-out;visibility:hidden}.font-flyout.open{opacity:1;height:49px;z-index:99;visibility:visible}body.video .font-flyout{display:none}.icnTxLr{-webkit-border-radius:2px 0 0 2px;border-radius:2px 0 0 2px;background-clip:padding-box}.pdf-size-changer{padding:3px 18px 5px;background-color:#222;border-left:1px solid #444;border-top:1px solid #444;border-bottom:1px solid #444;display:block;float:left;text-decoration:none!important}.pdf-size-changer.icnTxSm{border-right:1px solid #444}.pdf-size-changer span{display:inline-block;text-indent:-99999px;width:0;height:0}@media screen and (max-width:49.4375em) and (-webkit-min-device-pixel-ratio:0){.font-flyout.open .font-controls-panel,::i-block-chrome{margin-right:-170px}}@media screen and (max-width:49.4375em){#font-controls.open{position:relative;right:-170px}.pdfdoc #font-controls.open{right:0}:root .font-flyout.open .font-controls-panel,_::-webkit-full-page-media,_:future{margin-right:-170px}}.font-controls-panel{font:700 26px/45px Georgia,serif;background-color:#222;border:1px solid #444;right:0;top:0;position:absolute;height:185px;width:300px;-webkit-border-radius:2px 0 2px 2px;border-radius:2px 0 2px 2px;background-clip:padding-box}.font-controls-panel.is-android-device{height:145px}.font-controls-panel .nightmodes ul{float:left;width:100%;border-bottom:1px solid #444}.font-controls-panel .nightmodes ul li{display:inline-block;float:left;width:33.3%;border-right:1px solid #444;background-color:#222}.font-controls-panel .nightmodes ul li a{display:block;height:48px;text-align:center;overflow:hidden}.font-controls-panel .nightmodes ul li a span{display:block;text-indent:-999999px}.font-controls-panel .nightmodes ul li a .fa{color:#FFF;position:relative;top:3px}.font-controls-panel .nightmodes ul li:hover a{background-color:#000!important}.font-controls-panel .nightmodes ul li.day{-webkit-border-radius:2px 0 0;border-radius:2px 0 0;background-clip:padding-box;background-color:#000}.font-controls-panel .nightmodes ul li.day .fa{color:#F65D22}.font-controls-panel .nightmodes ul li.cloudy a svg{position:relative;top:3px}.font-controls-panel .nightmodes ul li.night{border-right:none}#reset{line-height:1em;padding:3px 10px;margin:0;font-size:12px;position:absolute;right:10px;bottom:10px;font-family:arial,sans-serif}.resizer .draggable-containment-wrapper{width:60%;height:2px;background-color:#666;margin:85px 20% 0;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box}.resizer .draggable-containment-wrapper:after,.resizer .draggable-containment-wrapper:before{font-weight:700;font-size:31px;font-family:georgia,serif;position:absolute;color:#FFF;top:62px}.pdfdoc #font-controls:before,.pdfdoc .font-size-changer:before,.subscribe-nag{font-family:"source sans pro",sans-serif}.resizer .draggable-containment-wrapper .filler{height:2px;display:block;background-color:#F65D22}.mobile-menu,.sbo-toc-open .sbo-toc-container>.sbo-toc-thumb{display:none}.resizer .draggable-containment-wrapper:before{left:15px;font-size:18px}.resizer .draggable-containment-wrapper:after{right:15px}.resizer .draggable-containment-wrapper .draggable{cursor:move;width:15px;height:15px;padding:.5em;float:left;-webkit-border-radius:15px;border-radius:15px;background-clip:padding-box;margin-top:-14px;top:0!important;background-color:#ddd}.column-resizer .draggable-containment-wrapper,.font-resizer .draggable-containment-wrapper{position:relative}.column-resizer .draggable-containment-wrapper .fa,.font-resizer .draggable-containment-wrapper .fa{color:#FFF;position:absolute;top:-8px}.column-resizer .draggable-containment-wrapper .fa.left,.font-resizer .draggable-containment-wrapper .fa.left{left:-40px;font-size:18px}.column-resizer .draggable-containment-wrapper .fa.right,.font-resizer .draggable-containment-wrapper .fa.right{top:-10px;right:-40px}.column-resizer .draggable-containment-wrapper .fa.right.fa-font,.font-resizer .draggable-containment-wrapper .fa.right.fa-font{top:-14px}.column-resizer .draggable-containment-wrapper{margin:35px 20% 0}.subscribe-nag{overflow:hidden}.pdfdoc #font-controls:before{content:'\002B\002F\2212';font-weight:700;font-size:22px;top:5px}.pdfdoc .font-size-changer:before{font-weight:700;font-size:31px;position:relative;top:2px}.pdfdoc .font-size-changer#increase-font:before{content:'\002B'}.pdfdoc .font-size-changer#decrease-font:before{content:'\2212'}.icnTxSm:before{position:relative;top:7%;font-size:80%}.toc-contents{width:100%;border:10px solid #ddd;background-color:#fff;overflow:hidden;max-height:0;opacity:0;transition:all .4s ease-in-out}.toc-contents,.toc-contents.open{top:0;-moz-transition:all .4s ease-in-out;-webkit-transition:all .4s ease-in-out;-o-transition:all .4s ease-in-out}.toc-contents.open{opacity:1;transition:all .4s ease-in-out}.tocList{line-height:1.125;padding-bottom:15px}@media screen and (min-width:521px) and (min-height:420px){.toc-contents{position:fixed;overflow-y:scroll;-webkit-overflow-scroll:touch;left:50%;bottom:0;margin-left:-330px;max-width:725px}.tocList{padding-bottom:0}}.tocList .minutes{color:#999}.tocList li:last-child{border-bottom:0}.tocList .toc-level1{color:#777;background-color:#fff;border-bottom:1px solid #ddd}.tocList .toc-level1>a.toc-link{padding:.625rem 1.875rem .625rem .9375rem}.tocList .toc-level1.currently-reading{background-color:transparent!important}.tocList .toc-level1.currently-reading>a,.tocList [class*=toc-level].currently-reading{background-color:#f0f0f0}.tocList [class*=toc-level-] a.toc-link{padding:.375rem .9375rem .375rem 2.1875rem;line-height:1.35em}.tocList [class*=toc-level-] a.toc-link:before{content:'\2022';color:#999;font-size:21px;line-height:0;margin-left:-10px;position:relative;left:-5px}.tocList .toc-level-3 a.toc-link{padding-left:3.4375rem}.tocList .toc-level-4 a.toc-link{padding-left:4.6875rem}.tocList .toc-level-5 a.toc-link{padding-left:5.9375rem}.tocList a.toc-link{font-weight:400;display:block}.tocList a.toc-link:focus{background-color:rgba(0,134,202,.01)}.progress-indicator{font-size:12px;font-size:.75rem;line-height:1px;font-family:ss-flow;color:#e7e5de;border:2px solid #e7e5de;text-align:center;float:left;width:20px;height:20px;margin:0 .9375rem 0 0;padding:.5625rem .125rem .375rem;-moz-transition:all .2s ease-in-out;-webkit-transition:all .2s ease-in-out;-o-transition:all .2s ease-in-out;transition:all .2s ease-in-out;-webkit-border-radius:45px;border-radius:45px;background-clip:padding-box;position:absolute;left:5px;top:10px}.progress-indicator.completed{background-color:#F65D22;border:2px solid #F65D22}.progress-indicator.completed:before{color:#fff}li:hover.video-pagination-item .progress-indicator,li:hover>.progress-indicator{width:24px;height:24px;padding:.6875rem .25rem .5rem;margin:-.125rem -.5rem 0 0}.toc-contents .toc-level2 .progress-indicator{left:30px;top:12px}.toc-contents .rec-fav{outline:0;position:absolute;right:15px;top:13px;z-index:9}h1.video-toc-title{font-family:"source sans pro",sans-serif,sans-serif;color:#777;font-size:13px;letter-spacing:1px;line-height:1.35em}@media screen and (max-width:51.3125em){h1.video-toc-title{margin:1em 1.5em 0}}h1.video-toc-title a{color:#F65D22;text-decoration:none;border:none!important}h1.video-toc-title a:hover{text-decoration:underline}.video #sbo-rt-content h1.video-title{margin:.4em 0 .8em!important}.mobile-menu select{display:inline-block;width:100%;padding:1.25rem 3.125rem .9375rem 1.25rem;color:#777;background:#f5f5f5;cursor:pointer;text-overflow:ellipsis;font-size:18px;font-size:1.125rem;-moz-box-shadow:"0 1px 0 $color-warm-gray-dark, 0 -1px #fff inset";-webkit-box-shadow:"0 1px 0 $color-warm-gray-dark, 0 -1px #fff inset";-o-box-shadow:"0 1px 0 $color-warm-gray-dark, 0 -1px #fff inset";box-shadow:"0 1px 0 $color-warm-gray-dark, 0 -1px #fff inset";-moz-appearance:none;-webkit-appearance:none;-o-appearance:none;appearance:none}.mobile-menu label{margin:0;position:relative}.mobile-menu label:after{padding-bottom:2px;position:absolute;top:20px;right:8px;content:'<>';font:20px Consolas,monospace;color:#aaa;border-bottom:1px solid #d5d5d5;pointer-events:none;-moz-transform:rotate(90deg);-webkit-transform:rotate(90deg);-o-transform:rotate(90deg);transform:rotate(90deg)}@media screen and (max-width:51.25em){.desktop-menu{display:none}.mobile-menu{display:block;height:58px;border:none}}.sbo-inpage-toc{color:#777;position:relative;margin:0 auto 2em;font-family:"source sans pro",sans-serif,sans-serif;font-size:16px;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;border:1px solid #e6e6e6;display:none}.sbo-inpage-toc .tocList li a.toc-link{border-bottom:1px solid #EEE}.sbo-inpage-toc .section-title{width:100%;display:block;padding:10px 0;border-bottom:1px solid #EEE}.sbo-inpage-toc .tabs{height:51px;z-index:20}.sbo-inpage-toc .tabs li{padding:15px 20px;float:left;border-bottom:1px solid #d8d8d8;color:#777;background-color:#e6e6e6}.sbo-inpage-toc .tabs li::selection{background-color:transparent!important}.sbo-inpage-toc .tabs li.item-1,.sbo-inpage-toc .tabs li.item-2,.sbo-inpage-toc .tabs li.item-3,.sbo-inpage-toc .tabs li.item-4{border-left:1px solid #d8d8d8}.sbo-inpage-toc .tabs li:hover{color:#404040;background-color:#d8d8d8;cursor:pointer}.sbo-inpage-toc .toc-bottom,.sbo-inpage-toc .toc-contents{background-color:transparent}.sbo-inpage-toc .tabs li.active-tab{cursor:default;background-color:transparent;border-bottom:none}.sbo-inpage-toc .tabs li.active-tab:hover{color:#777}.sbo-inpage-toc .rec-fav{color:#4a3c31}.sbo-inpage-toc #description-tab .sbo-book-meta,.sbo-inpage-toc #resources-tab .sbo-book-meta,.sbo-inpage-toc #transcripts-tab .sbo-book-meta{border:none}.sbo-inpage-toc #resources-tab ul li{margin:10px 0}.sbo-inpage-toc #description-tab p{line-height:1.5em;margin:10px 0}.sbo-inpage-toc .tab-content{display:none}.sbo-inpage-toc .tab-content.active-tab,.sbo-inpage-toc.arrived{display:block}.sbo-inpage-toc .tab-inner{margin:0 2%;padding:10px 10px 20px}@media screen and (max-width:51.3125em){.sbo-inpage-toc{margin:0 20px 30px}}.sbo-inpage-toc .sbo-inpage-toc-inner{position:relative}.sbo-inpage-toc .transcripts-wrapper abbr.begin,.sbo-inpage-toc .transcripts-wrapper abbr.end{display:none}.sbo-inpage-toc .transcripts-wrapper p,.sbo-inpage-toc .transcripts-wrapper span.text{display:inline}.sbo-inpage-toc .transcripts-wrapper p{line-height:2em}.sbo-inpage-toc .transcripts-wrapper #js-transcription-region{max-height:500px;overflow:hidden;overflow-y:scroll}.sbo-inpage-toc .toc-bottom{width:96%;margin:0 2%;border-top:1px solid #ddd;text-align:right;height:80px}.sbo-inpage-toc .toc-bottom .to-top{position:relative;top:24px;font-size:small}.sbo-inpage-toc h2{font-size:21px;color:#777;margin:1.25rem 0}.sbo-inpage-toc .sbo-book-meta{background-color:#fff;width:96%;z-index:1;margin:0 2%;padding:.625rem .625rem 1.25rem;-webkit-border-radius:2px 2px 0 0;border-radius:2px 2px 0 0;background-clip:padding-box}.sbo-inpage-toc .sbo-book-meta .cover img{max-width:75px;box-shadow:none}.sbo-inpage-toc .tocList{width:100%;overflow-y:scroll;list-style-type:none;padding:.3125rem 2.5rem 0;height:260px;height:16.25rem;-webkit-border-radius:0 0 2px 2px;border-radius:0 0 2px 2px;background-clip:padding-box}@media screen and (max-width:30.9375em){.sbo-inpage-toc .tocList{height:255px;height:15.9375rem}}.sbo-inpage-toc .tocList [class*=toc-level-] a.toc-link{padding-left:3.75rem;margin-right:3.75rem}.sbo-inpage-toc .tocList .toc-level1{padding-top:0}.sbo-inpage-toc .tocList .toc-level1>a.toc-link{padding-left:2.1875rem}.sbo-inpage-toc .tocList li{padding:.3125rem 0 0;border:none}.sbo-inpage-toc .tocList li a.toc-link:before{content:'';margin-left:-3px}.sbo-inpage-toc .tocList .minutes{font-size:smaller}.sbo-inpage-toc li{position:relative}.sbo-inpage-toc .sbo-toc-thumb{display:none}.sbo-inpage-toc .toc-contents{position:relative;overflow-y:initial;overflow:initial;margin:0;border:none;opacity:1;max-height:100%;max-width:100%;left:0;bottom:0;padding:0}.progress-percent-complete{height:8px;font-size:12px;display:table;margin:10px 0 0 90px;width:calc(100% - 90px)}.progress-percent-complete .percent-complete-bar{display:table-cell;vertical-align:middle;white-space:nowrap;width:100%}.progress-percent-complete .percent-complete{background-color:#d5d5d5;position:relative;text-indent:-999999px;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;display:block;height:8px;padding:0;width:100%}.progress-percent-complete .percent-complete .percent{background-color:#999082;display:block;height:8px;width:0;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box}@media screen and (min-width:41.9375em) and (min-height:26.25em){.tocList .toc-level1>a{padding-left:4.375rem}.tocList [class*=toc-level-] a.toc-link{padding-left:5.625rem}.tocList .toc-level-3 a.toc-link{padding-left:6.875rem}.tocList .toc-level-4 a.toc-link{padding-left:8.125rem}.tocList .toc-level-5 a.toc-link{padding-left:9.375rem}}.sbo-toc .close{width:auto;position:absolute;top:0;right:20px;cursor:pointer;background:0 0}.sbo-toc .close span{display:none}.sbo-toc .close:before{font-family:SSFlow;font-size:14px;content:'\2421';color:#777}.sbo-book-meta{background:#f7f7f7;border-bottom:1px solid #ddd;color:#777;overflow:auto;padding:10px;line-height:1.25em}.sbo-book-meta .cover{float:left}.sbo-book-meta .cover a{display:block;margin-right:10px}.sbo-book-meta .cover a:focus{background-color:#F65D22}.sbo-book-meta .cover img{border:1px solid #ddd;max-width:50px;height:auto}.sbo-book-meta span{display:block;font-size:13px}.sbo-book-meta span.title{font-size:18px;margin-bottom:5px}.sbo-book-meta .title{padding-right:25px}.video .sbo-book-meta .title{padding-right:0}.sbo-book-meta .publisher-logo{max-width:105px;max-height:35px;float:right;padding:3px 30px 0 0}.video .sbo-book-meta .publisher-logo{padding:0;max-width:75px}@media only screen and (max-width:32.5625em){.sbo-book-meta .publisher-logo{padding:3px 3px 0 0;max-width:76px}}.sbo-book-meta .publishers{font-style:italic}.bitlist-header{padding:1rem 3.125rem 1rem 1rem;color:rgba(64,64,64,.75);font-size:21px}.pagination-title{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.pagination-label:after,.pagination-label:before{font-family:SSFlow;color:#777;font-size:12px;height:100%;position:relative;top:11px}.sbo-next .pagination-label:after{content:'\23ED';float:right;margin-left:7px}.no-zoom .sbo-next .pagination-label{margin-right:20px}.no-zoom .sbo-next .pagination-label:after{position:relative;top:-4px}.sbo-prev .pagination-label:before{content:'\23EE';margin-right:7px;float:left}.sbo-next,.sbo-prev{display:inline-block;width:50%;position:relative;float:left;z-index:10}.video .sbo-next,.video .sbo-prev{top:auto}.sbo-next .nav-link,.sbo-prev .nav-link{width:100%;height:62px;background:#f7f7f7;display:inline-block;padding:9px 15px;font-size:14px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;z-index:30}.interface-controls .interface-control-btns:after,.interface-controls .interface-control-btns:before,.interface-controls:after,.interface-controls:before{content:" ";display:table}.sbo-next .nav-link:hover,.sbo-prev .nav-link:hover{text-decoration:none}.sbo-next{float:right}.sbo-prev .nav-link{border:1px solid #ddd;border-width:1px 1px 1px 0;text-align:left}.sbo-next .nav-link{border-bottom:solid 1px #ddd;text-align:right}.sbo-nav-bottom{top:107px}.prodsample-book .sbo-nav-bottom{top:140px}.pagination-label{color:#777;font-size:12px;letter-spacing:1px}.interface-controls{position:relative;margin:0 auto;padding:0;width:256px;z-index:15;list-style-type:none;text-align:center;top:70px}@media screen and (min-width:32.5625em) and (min-height:420px){.interface-controls{top:24px}}@media screen and (min-width:49.4375em) and (min-height:420px){.interface-controls{top:100px}}.interface-controls a:hover{text-decoration:none!important}.interface-controls li{float:right;background-color:#FFF;position:relative}@media screen and (max-width:32.5625em){.interface-controls li{background-color:transparent}}.interface-controls .queue-control .rec-fav{outline:0}.interface-controls .queue-control .rec-fav:before{position:relative;top:2px}.interface-controls a,.interface-controls button{display:inline-block;height:49px;width:48px;text-align:center;vertical-align:middle;color:#b3b3b3;font-size:20px}.interface-controls a:before,.interface-controls button:before{-moz-transition:color .2s ease-out;-webkit-transition:color .2s ease-out;-o-transition:color .2s ease-out;transition:color .2s ease-out;text-align:center;line-height:1;font-size:19px}.no-touch .interface-controls a:not(.rec-fav):hover:before,.no-touch .interface-controls button:not(.rec-fav):hover:before{color:#F65D22}.interface-controls .sharing-controls .trigger{width:48px;height:49px;display:inline-block;background-color:transparent}.interface-controls .sharing-controls .trigger .fa{position:relative;top:13px;visibility:visible}.interface-controls .sharing-controls .trigger:before{-webkit-border-radius:0 2px 2px 0;border-radius:0 2px 2px 0;background-clip:padding-box;font-family:SSFlow;content:"\2421";font-size:21px;line-height:57px;position:absolute;height:49px;width:48px;color:#F65D22;left:0;top:0;overflow:hidden;opacity:0;visibility:hidden;-moz-transition:opacity .2s ease-in-out;-webkit-transition:opacity .2s ease-in-out;-o-transition:opacity .2s ease-in-out;transition:opacity .2s ease-in-out}.interface-controls .sharing-controls ul li:first-child a{border-left:1px solid #666;-webkit-border-radius:2px 0 0 2px;border-radius:2px 0 0 2px;background-clip:padding-box}.interface-controls .sharing-controls.active a{background-color:#222;border-top:1px solid #666;border-bottom:1px solid #666}.interface-controls .sharing-controls.active .trigger .fa{visibility:hidden}.interface-controls .sharing-controls.active .trigger:before{background-color:#222;visibility:visible;opacity:1}@media screen and (max-width:26.25em){.interface-controls .sharing-controls .trigger:before{-webkit-border-radius:2px 0 0 2px;border-radius:2px 0 0 2px;background-clip:padding-box}}.adjustable-column{margin:0 auto}body.video{font-family:Georgia,serif}body.video .application{margin-top:1em}body.video .sbo-nav-bottom{display:none}@media screen and (max-width:51.3125em){body.video .interface-controls-top{display:none}}body.video .reading-controls-bottom .interface-controls{top:-15px}body.video [role=document] #sbo-rt-content{background:center 150px no-repeat #000;min-height:250px;padding:0;margin-bottom:30px!important;margin-top:20px!important;display:block}body.video [role=document] #sbo-rt-content .kaltura-player{background-color:transparent!important}body.video [role=document].javascript-ready #sbo-rt-content{background:no-repeat}@media screen and (min-width:32.5625em) and (min-height:26.25em){body{background-color:#ddd}.ss-list{margin-right:5px}.sbo-reading-menu{background-color:#fff}.sbo-next,.sbo-prev{top:-49px}.pagination-title,.sbo-nav-bottom{display:none}.pagination-label{font-size:0}.pagination-label:after,.pagination-label:before{position:relative;top:13px;font-size:14px}.sbo-title{font-size:18px}.sbo-next .nav-link,.sbo-prev .nav-link{background-color:#fff;border-top-width:0;position:fixed;top:0;text-decoration:none;width:55px}.sbo-prev .nav-link{left:55px;transition:left .2s ease-in-out;right:auto}.sbo-menu-top,.sbo-prev .nav-link{-moz-transition:left .2s ease-in-out;-webkit-transition:left .2s ease-in-out;-o-transition:left .2s ease-in-out}.sbo-menu-top{height:62px;top:0;right:0;left:109px;margin-right:55px;position:fixed;border-bottom:1px solid #ddd;border-right:1px solid #ddd;border-left:1px solid #ddd;transition:left .2s ease-in-out}.sbo-next .nav-link{right:0;left:auto}.sbo-book-meta .title{margin-bottom:5px}.sbo-book-meta .title a:focus,.sbo-book-meta .title a:hover{color:#F65D22}}@media screen and (min-width:41.9375em) and (min-height:26.25em){.pagination-label{font-size:12px}.pagination-label:after,.pagination-label:before{top:14px}.pagination-title{display:block}.sbo-next .nav-link,.sbo-prev .nav-link{width:23%}.sbo-menu-top{left:54px;margin-left:23%;right:22.5%;margin-right:0;z-index:29;position:fixed;-moz-transition:left .2s ease-in-out;-webkit-transition:left .2s ease-in-out;-o-transition:left .2s ease-in-out;transition:left .2s ease-in-out}}footer.pagefoot{padding:1.25rem}footer.pagefoot .copyright{text-align:left;display:inline}footer.pagefoot ul a{text-decoration:none}@media screen and (min-width:49.4375em) and (min-height:26.25em){#font-controls{height:49px;border-bottom:1px solid #ccc}#font-controls:before{font-size:24px}#font-controls.open{-webkit-border-radius:0;border-radius:0;background-clip:padding-box;border:none}.font-flyout{position:fixed}.interface-controls{position:fixed;right:20px;left:auto;z-index:25;width:auto}.interface-controls .interface-control-btns{padding:0;color:#ccc;-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box;border:1px solid #ccc}.interface-controls .interface-control-btns li:first-child a{-webkit-border-radius:2px 2px 0 0;border-radius:2px 2px 0 0;background-clip:padding-box}.interface-controls .interface-control-btns .video-highlight-control{border-top:1px solid #ccc}.interface-controls .interface-control-btns .video-highlight-control a>span:before{content:'\F707';font-family:SSFlow;font-size:21px;font-size:1.3125rem;position:relative;top:18px}.interface-controls .search-in-archive{font-family:"source sans pro",sans-serif,sans-serif;border-bottom:1px solid #CCC}.interface-controls .search-in-archive.active{border:none;border-bottom:1px solid #CCC;margin-right:0}.interface-controls .search-in-archive .search-archive-bar input{min-width:320px;top:1px}.interface-controls .search-in-archive .search-archive-results{right:48px;width:325px}.interface-controls li{float:none}.interface-controls li:first-child{-webkit-border-radius:2px 2px 0 0;border-radius:2px 2px 0 0;background-clip:padding-box}body.video .interface-controls li:first-child{-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box}body.video .interface-controls li:first-child button{border-bottom:none}.interface-controls li:last-child{-webkit-border-radius:0 0 2px 2px;border-radius:0 0 2px 2px;background-clip:padding-box;border-bottom:none}.interface-controls .sharing-controls.active .trigger{border-top-right-radius:0}.interface-controls .sharing-controls.active .trigger:before{-webkit-border-radius:0 0 2px;border-radius:0 0 2px;background-clip:padding-box}.interface-controls button{border-bottom:1px solid #ccc}.interface-controls button:before{font-size:21px}}@media screen and (min-width:30em){.articlelist{padding-left:15px}.related .articlelist{padding:0 15px}}@media screen and (max-width:32.5625em),(max-height:26.25em){.sbo-menu-top{margin-right:0}.sbo-next .nav-link{border-top:1px solid #DDD}.prodsample-video .nav-link{position:relative}}.cancel-button:hover{border-bottom:1px solid #F65D22!important}.cancel-button{border-bottom:1px solid #000!important}#sbo-rt-content span.orm-highlight{background:rgba(211,0,45,.3)}
@charset "UTF-8";.video #sbo-rt-content{max-width:100%}@media (min-width:32.5625em){.video [role=document]{max-width:50rem}}@media (min-width:78.125em){.video [role=document]{max-width:60rem}}[role=document]{padding:0;margin:0 auto}[role=document]:after,[role=document]:before{content:" ";display:table}[role=document]:after{clear:both}@media screen and (max-width:32.5em),screen and (max-height:26.25em){[role=document]{margin:0 auto 5px;position:relative;top:-49px}.video [role=document]{top:0}.js-preview-content [role=document],.video [role=document]{margin:0 auto;z-index:0}}#container{background-color:#fff}blockquote,code,dd,dir,div,dl,dt,fieldset,figcaption,figure,form,h1,h2,h3,h4,h5,h6,input,li,menu,ol,p,pre,td,textarea,th,ul{margin:0;padding:0}table{border-collapse:collapse;border-spacing:0;border-color:none;font-size:inherit}abbr,acronym,fieldset,img{border:0}address,caption,cite,code,dfn,strong,th,var{font-style:normal;font-weight:400}code{font-family:"Droid Sans Mono",Courier,monospace}strong{font-weight:700}ol,ul{list-style:none}caption,th{text-align:left}h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:400}q:after,q:before{content:''}em{font-style:italic}article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}audio,canvas,video{display:inline-block}#sbo-rt-content .boxg hr,#sbo-rt-content .bul_hang img,#sbo-rt-content .bul_hang1 img,#sbo-rt-content .bul_hang2 img,#sbo-rt-content .bul_hang3 img,#sbo-rt-content .hanging-i img,#sbo-rt-content .indentbullet img,#sbo-rt-content .note hr,#sbo-rt-content .note1 hr,#sbo-rt-content .sidebar1 hr,#sbo-rt-content .tip hr,#sbo-rt-content .warning hr,#sbo-rt-content div.note hr,#sbo-rt-content div.sidebar hr,#sbo-rt-content div.tip hr,#sbo-rt-content div.warning hr,#sbo-rt-content hr,.pdfdoc.prodsample-book .t,audio:not([controls]){display:none}html{font-size:100%;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}.footnote,.footnotes,sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}#sbo-rt-content .fn-group,#sbo-rt-content .footnote,#sbo-rt-content .footnotes{border:none}#sbo-rt-content .fn-group div,#sbo-rt-content .fn-group p,#sbo-rt-content .footnote div,#sbo-rt-content .footnote p,#sbo-rt-content .footnotes div,#sbo-rt-content .footnotes p{font-size:85%!important;margin-bottom:1.5em;line-height:1.5em}sup{top:-.5em}sub{bottom:-.25em}#sbo-rt-content>div{margin:0;padding:0}body{background-color:#e1dfda}#sbo-rt-content{width:100%;max-width:37em}@media only screen and (min-width:1250px){#sbo-rt-content{font-size:118%!important;max-width:900px;max-width:56.25rem}}@media only screen and (min-width:521px) and (max-width:1249px){#sbo-rt-content{max-width:700px;max-width:43.75rem;font-size:100%!important}}@media only screen and (max-width:520px){#container{overflow:hidden}#sbo-rt-content{max-width:100%;font-size:88%!important}}.pdfdoc .js-toc{overflow:hidden}.pdfdoc #sbo-rt-content{padding:0 5px;margin:0!important}.pdfdoc.prodsample-book img.bi{width:100%!important}.js .pdfdoc section[role=document]{border:none!important;-webkit-box-shadow:0 0 0 transparent;box-shadow:0 0 0 transparent}.js .pdfdoc section[role=document] #sbo-rt-content{opacity:0}.js .pdfdoc section[role=document].showPdf #sbo-rt-content{opacity:1}#sbo-rt-content #pdf-main .pd,#sbo-rt-content #pdf-main .pf{margin:15px 0;-webkit-box-shadow:0 0 5px rgba(0,0,0,.15);box-shadow:0 0 5px rgba(0,0,0,.15);-webkit-border-radius:2px;border-radius:2px;background-clip:padding-box}.scalefonts #sbo-rt-content div div,.scalefonts #sbo-rt-content div p,.scalefonts #sbo-rt-content li,.scalefonts #sbo-rt-content li li,.scalefonts #sbo-rt-content ol,.scalefonts #sbo-rt-content ol ol,.scalefonts #sbo-rt-content p p,.scalefonts #sbo-rt-content table,.scalefonts #sbo-rt-content td,.scalefonts #sbo-rt-content ul,.scalefonts #sbo-rt-content ul ul{font-size:100%!important;line-height:1.65em!important;text-align:left}.scalefonts #sbo-rt-content div,.scalefonts #sbo-rt-content ol,.scalefonts #sbo-rt-content p,.scalefonts #sbo-rt-content ul{text-indent:0!important;margin-left:0!important;margin-right:0!important}.scalefonts #sbo-rt-content .FOOTNOTES,.scalefonts #sbo-rt-content .endnoteentry,.scalefonts #sbo-rt-content .footnotes{font-size:small!important}#sbo-rt-content{clear:both;margin:0 auto;padding:1.25rem;border:0 solid #ddd;color:#333;font-family:Georgia,"Droid Serif",Times,serif;font-style:normal;font-weight:400;min-height:450px}@media only screen and (max-width:520px){#sbo-rt-content{padding:3.125rem 1.25rem 1.25rem}}#sbo-rt-content .figure{text-align:center;margin:1.5625rem 0 .9375rem}#sbo-rt-content .figure>pre,#sbo-rt-content aside>pre{text-align:left}#sbo-rt-content .p{padding:0}#sbo-rt-content table{padding-left:0;padding-right:0}#sbo-rt-content div,#sbo-rt-content div.booksection{font-family:inherit;margin:0;padding:0}#sbo-rt-content div.sect1.case_study,#sbo-rt-content div.sect1.pattern{border:none;background-color:transparent}.video #sbo-rt-content{padding-top:20px;min-height:2em}#sbo-rt-content blockquote,#sbo-rt-content li,#sbo-rt-content p{line-height:1.5}#sbo-rt-content li code,#sbo-rt-content li p,#sbo-rt-content p code{font-size:inherit}#sbo-rt-content .indent,#sbo-rt-content .noindent,#sbo-rt-content .p,#sbo-rt-content div.chp .para_indented,#sbo-rt-content div>p,#sbo-rt-content p,#sbo-rt-content p.para_indented{margin:.75em 0 1.25em!important;text-indent:0;text-align:inherit;font-family:inherit;line-height:1.5em!important}#sbo-rt-content .figure table,#sbo-rt-content .informalfigure,#sbo-rt-content .totri-image-wrapper,#sbo-rt-content .totri-image-wrapper p,#sbo-rt-content p.image,#sbo-rt-content section.transcript-wrapper h2,#sbo-rt-content table img{text-align:center}#sbo-rt-content ul li{margin:.5em 0 .65em!important}#sbo-rt-content blockquote p{font-weight:inherit}#sbo-rt-content strong code{font-weight:700}#sbo-rt-content sup{height:0;line-height:1;bottom:1em;font-size:.7em;color:#666}#sbo-rt-content span.inlinemediaobject{height:auto}#sbo-rt-content .box_title,#sbo-rt-content .chaptertitle,#sbo-rt-content .cn-chapter-number,#sbo-rt-content .fm_title_document,#sbo-rt-content .heading-1,#sbo-rt-content .heading-3,#sbo-rt-content .paragraph-head,#sbo-rt-content .title_document,#sbo-rt-content h1,#sbo-rt-content h2,#sbo-rt-content h3,#sbo-rt-content h4,#sbo-rt-content h5,#sbo-rt-content h6{font-family:"source sans pro",sans-serif,AvenirNextCondensed-Medium,HelveticaNeue-CondensedBold,"Droid Sans",Helvetica,Arial,sans-serif!important;line-height:1.1;font-style:normal;font-weight:500;color:#404040;margin:1.5em 0 .35em!important;background-color:transparent;word-wrap:break-word}#sbo-rt-content .chaptertitle,#sbo-rt-content h1{font-size:2em;-ms-word-break:break-all;word-break:break-all;word-break:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;hyphens:auto}#sbo-rt-content h2{font-size:1.575em}#sbo-rt-content h3{font-size:1.25em;text-indent:0!important}#sbo-rt-content h4{font-size:1.15em}#sbo-rt-content h5,#sbo-rt-content h6{font-size:.9375em}#sbo-rt-content div.titlepage{margin:1em 0 .35em}#sbo-rt-content .transcript-wrapper .video-title,.video #sbo-rt-content h1{font-size:1.5em;margin:.8em 0 1.2em!important;padding:0;font-weight:700}#sbo-rt-content a,#sbo-rt-content a:link,#sbo-rt-content a:visited{text-decoration:none;border-bottom:1px dashed #bbb;color:#070707;-webkit-transition:border-bottom .3s ease;-moz-transition:border-bottom .3s ease;transition:border-bottom .3s ease}#sbo-rt-content a:focus,#sbo-rt-content a:hover{border-bottom:1px dashed #333}#sbo-rt-content .small{font-size:.6em}#sbo-rt-content .sc,#sbo-rt-content abbr,#sbo-rt-content acronym{font-size:.85em;text-transform:uppercase;letter-spacing:1px}#sbo-rt-content code.sc{text-transform:none}#sbo-rt-content .noborder{border:0}#sbo-rt-content p{-webkit-hyphens:auto;-moz-hyphens:auto;hyphens:auto}#sbo-rt-content .footnote p{font-family:Arial,sans-serif;font-size:inherit}#sbo-rt-content .boxg,#sbo-rt-content .note,#sbo-rt-content .note1,#sbo-rt-content .sidebar1,#sbo-rt-content .tip,#sbo-rt-content .warning,#sbo-rt-content div.note,#sbo-rt-content div.sidebar,#sbo-rt-content div.tip,#sbo-rt-content div.warning{border:1px dotted #ddd;padding:1em 2em!important;background-color:#eee;box-shadow:0 5px 10px #eee;margin:2em!important;font-size:smaller!important}#sbo-rt-content .boxg p,#sbo-rt-content .note p,#sbo-rt-content .note1 p,#sbo-rt-content .sidebar1 p,#sbo-rt-content .tip p,#sbo-rt-content .warning p,#sbo-rt-content div.note p,#sbo-rt-content div.sidebar p,#sbo-rt-content div.tip p,#sbo-rt-content div.warning p{font-size:90%!important;font-family:Arial,sans-serif!important}#sbo-rt-content .boxg .title,#sbo-rt-content .boxg h3,#sbo-rt-content .note .title,#sbo-rt-content .note h3,#sbo-rt-content .note1 .title,#sbo-rt-content .note1 h3,#sbo-rt-content .sidebar1 .title,#sbo-rt-content .sidebar1 h3,#sbo-rt-content .tip .title,#sbo-rt-content .tip h3,#sbo-rt-content .warning .title,#sbo-rt-content .warning h3,#sbo-rt-content div.note .title,#sbo-rt-content div.note h3,#sbo-rt-content div.sidebar .title,#sbo-rt-content div.sidebar h3,#sbo-rt-content div.tip .title,#sbo-rt-content div.tip h3,#sbo-rt-content div.warning .title,#sbo-rt-content div.warning h3{font-family:AvenirNextCondensed-Medium,HelveticaNeue-CondensedBold,"Droid Sans",Arial,sans-serif!important;text-shadow:1px 1px 0 #fff;color:#666;font-weight:500}@media only screen and (max-width:520px){#sbo-rt-content .boxg,#sbo-rt-content .note,#sbo-rt-content .note1,#sbo-rt-content .sidebar1,#sbo-rt-content .tip,#sbo-rt-content .warning,#sbo-rt-content div.note,#sbo-rt-content div.sidebar,#sbo-rt-content div.tip,#sbo-rt-content div.warning{margin:1.5em 0!important}}#sbo-rt-content .boxg img,#sbo-rt-content .boxg img:hover,#sbo-rt-content .note img,#sbo-rt-content .note img:hover,#sbo-rt-content .note1 img,#sbo-rt-content .note1 img:hover,#sbo-rt-content .sidebar1 img,#sbo-rt-content .sidebar1 img:hover,#sbo-rt-content .tip img,#sbo-rt-content .tip img:hover,#sbo-rt-content .warning img,#sbo-rt-content .warning img:hover,#sbo-rt-content div.note img,#sbo-rt-content div.note img:hover,#sbo-rt-content div.sidebar img,#sbo-rt-content div.sidebar img:hover,#sbo-rt-content div.tip img,#sbo-rt-content div.tip img:hover,#sbo-rt-content div.warning img,#sbo-rt-content div.warning img:hover{border:none;background-color:transparent}#sbo-rt-content .note h3,#sbo-rt-content .tip h3,#sbo-rt-content .warning h3{margin-top:0}#sbo-rt-content .note1 .note{background:no-repeat;border:none;margin:0!important;padding:0}#sbo-rt-content .codelink{font-size:80%!important}#sbo-rt-content .courprogramlisting,#sbo-rt-content .pre,#sbo-rt-content .pre-ex,#sbo-rt-content .pre1,#sbo-rt-content .pre_w,#sbo-rt-content p.pre,#sbo-rt-content pre{font-family:"Droid Sans Mono",Courier,monospace!important;line-height:1.5em!important;margin:0 0 1.5em!important;padding:1em 2em!important;background-color:#fbfbfb!important;font-size:80%!important;color:#404040;border-top:1px solid #DDD!important;border-bottom:1px solid #DDD!important;overflow-x:scroll;overflow:auto;overflow-y:hidden;-webkit-hyphens:none;word-wrap:initial!important;word-break:keep-all!important;white-space:pre!important}#sbo-rt-content pre code{font-size:inherit}#sbo-rt-content .pd_lightblue,#sbo-rt-content .pd_white,#sbo-rt-content .skycolor,#sbo-rt-content .tab_num,#sbo-rt-content .tabcolor{color:#404040!important}#sbo-rt-content .indenthanging,#sbo-rt-content .indenthangingB{margin:0 0 .625rem 2.1875rem}#sbo-rt-content .bul_hang,#sbo-rt-content .bul_hang1,#sbo-rt-content .bul_hang2,#sbo-rt-content .bul_hang3,#sbo-rt-content .hanging-i,#sbo-rt-content .indentbullet{text-indent:-10px!important}#sbo-rt-content .bul_hang1:before,#sbo-rt-content .bul_hang2:before,#sbo-rt-content .bul_hang3:before,#sbo-rt-content .bul_hang:before,#sbo-rt-content .hanging-i:before,#sbo-rt-content .indentbullet:before{content:"• ";position:relative;left:-10px}#sbo-rt-content .box_title{font-size:165%!important;margin:1em 0 .5em}#sbo-rt-content .figure,#sbo-rt-content .figure_legend{border:none!important}#sbo-rt-content .centera,#sbo-rt-content .centerb{margin:0;text-align:center}#sbo-rt-content .annotator-wrapper .FigCapt,#sbo-rt-content .annotator-wrapper .TabCapt,#sbo-rt-content .annotator-wrapper .caption,#sbo-rt-content .annotator-wrapper .ex-caption,#sbo-rt-content .annotator-wrapper .fig,#sbo-rt-content .annotator-wrapper .fig-caption,#sbo-rt-content .annotator-wrapper .fig-title,#sbo-rt-content .annotator-wrapper .fig_num,#sbo-rt-content .annotator-wrapper .figleg,#sbo-rt-content .annotator-wrapper .figure p.title,#sbo-rt-content .annotator-wrapper .notetitle,#sbo-rt-content .annotator-wrapper .tab-caption,#sbo-rt-content div .FigCapt,#sbo-rt-content div .TabCapt,#sbo-rt-content div .caption,#sbo-rt-content div .ex-caption,#sbo-rt-content div .fig,#sbo-rt-content div .fig-caption,#sbo-rt-content div .fig-title,#sbo-rt-content div .fig_num,#sbo-rt-content div .figleg,#sbo-rt-content div .figure p.title,#sbo-rt-content div .notetitle,#sbo-rt-content div .tab-caption{background-color:transparent;font-size:80%!important;max-width:75%;margin:10px auto 1.5em!important}#sbo-rt-content code.docutils>span.pre{border-top:0!important;border-bottom:0!important;padding:0!important}#sbo-rt-content .xis-listSteps ol ol li{list-style:lower-alpha}#sbo-rt-content table{border:1px solid #ddd!important;padding:10px;max-width:100%!important;width:100%;background-color:#fff;margin-bottom:1.5em;overflow:scroll;display:block}#sbo-rt-content table pre{border:none;background-color:transparent;padding:0}#sbo-rt-content table img.totri-border{padding:0;border:none}#sbo-rt-content thead{font-family:Arial,sans-serif;border-bottom:2px solid #ddd;background-color:#e8edff}#sbo-rt-content thead th{padding:10px;font-weight:700}#sbo-rt-content tbody{max-width:100%;overflow:scroll}#sbo-rt-content tbody td{padding:10px}#sbo-rt-content tbody tr{border-bottom:1px solid #ddd}#sbo-rt-content tbody tr:last-child{border-bottom:0}#sbo-rt-content tbody tr:nth-child(even){background-color:#f7f7f7}#sbo-rt-content table p{margin:0;font-size:inherit}#sbo-rt-content dir,#sbo-rt-content dl,#sbo-rt-content menu,#sbo-rt-content ol,#sbo-rt-content ul{margin:1.5em 0 2em 2em;padding-left:25px}#sbo-rt-content ul li{list-style:disc}#sbo-rt-content ol li{list-style:decimal}#sbo-rt-content li p{margin-bottom:0}#sbo-rt-content dt{font-size:1em;line-height:1.5em}#sbo-rt-content code,#sbo-rt-content code code,#sbo-rt-content dt code,#sbo-rt-content li code,#sbo-rt-content li pre,#sbo-rt-content ol code{font-size:inherit}#sbo-rt-content table img{border:0;padding:20px 0;margin:0 auto}#sbo-rt-content img.totri-border{padding:10px;background-color:#fff;border:2px solid #ddd;max-width:100%;height:auto}#sbo-rt-content #pdf-main img{padding:0;border:0}#sbo-rt-content section.transcript-wrapper{display:table-cell;height:auto;margin-bottom:5%;border:1px solid #BEB9A6;font-family:"source sans pro",sans-serif,AvenirNextCondensed-Medium,HelveticaNeue-CondensedBold,"Droid Sans",Helvetica,Arial,sans-serif}#sbo-rt-content section.transcript-wrapper>div.t-video-description{float:left;width:100%;height:auto;padding:20px;color:#8B8D8E;overflow:auto}#sbo-rt-content section.transcript-wrapper>div.t-video-description .video-title,#sbo-rt-content section.transcript-wrapper>div.t-video-description h1{margin:10px 0 20px!important}#sbo-rt-content section.transcript-wrapper>div#transcript-box{background-color:#e6e6e6;width:100%;height:auto;float:right;margin:0 8%;padding:20px}#sbo-rt-content section.transcript-wrapper>div#transcript-box div.transcript{height:auto}#sbo-rt-content section.transcript-wrapper>div#transcript-box div.transcript>p{display:inline;line-height:1.2em!important;font-size:90%!important;margin:0 0 2%!important;padding:0!important;color:#070707;overflow:hidden;font-weight:300}#sbo-rt-content section.transcript-wrapper>div#transcript-box div.transcript>p span.text{display:inline}#sbo-rt-content section.transcript-wrapper>div#transcript-box div.transcript abbr.begin{font-weight:700;font-size:85%!important;letter-spacing:0;margin:0;display:none;padding-right:15px}#sbo-rt-content section.transcript-wrapper>div#transcript-box div.transcript abbr.begin:before{content:'['}#sbo-rt-content section.transcript-wrapper>div#transcript-box div.transcript abbr.begin:after{content:']'}#sbo-rt-content section.transcript-wrapper>div#transcript-box div.transcript abbr.end{display:none}@media (min-width:768px){#sbo-rt-content section.transcript-wrapper{height:502px}#sbo-rt-content section.transcript-wrapper>div.t-video-description{width:50%;height:465px}#sbo-rt-content section.transcript-wrapper>div#transcript-box{width:50%;height:500px;border-left:1px solid #BEB9A6}#sbo-rt-content section.transcript-wrapper>div#transcript-box div.transcript{height:456px;overflow:auto}}@media only screen and (min-width:78.125em){#sbo-rt-content blockquote,#sbo-rt-content li,#sbo-rt-content p{line-height:1.6em}}@media only screen and (max-device-width:30em){#sbo-rt-content .note,#sbo-rt-content .tip,#sbo-rt-content .warning{margin-left:0!important;margin-right:0!important}#sbo-rt-content dir,#sbo-rt-content dl,#sbo-rt-content menu,#sbo-rt-content ol,#sbo-rt-content ul{margin-left:1.8em;margin-bottom:2em}}@media only screen and (max-device-width:30em) and (orientation:landscape){#sbo-rt-content dir,#sbo-rt-content dl,#sbo-rt-content menu,#sbo-rt-content ol,#sbo-rt-content ul{margin-left:1.5em;margin-bottom:2em}[role=document]{top:0}.video [role=document]{top:49px}[role=document] .sbo-nav-top{top:-49px}}@media only screen and (device-aspect-ratio:40 / 71) and (orientation:landscape){#sbo-rt-content blockquote,#sbo-rt-content li,#sbo-rt-content p{line-height:1.6em}}@media only screen and (min-device-width:48em) and (device-height:64em) and (orientation:portrait){[role=document]{max-width:100%}#sbo-rt-content{padding:0 100px}}@media only screen and (min-device-width:48em) and (device-height:64em) and (orientation:landscape){#sbo-rt-content blockquote,#sbo-rt-content li,#sbo-rt-content p{line-height:1.6em}}@media print{.note,.tip,.warning,body,pre{background-color:#fff}body{color:#000;font-size:7pt}.note p,pre{font-size:1.4em}@page{margin:1in 1.25in 1in 1.25in}h1,h2,h3,h4,h5,h6{text-shadow:none;color:#000}.note,.tip,.warning{box-shadow:none}a[href^="http://"]:after{content:" (" attr(href) ")";font-size:75%}}
.mfp-bg,.mfp-wrap{left:0;top:0;position:fixed}.mfp-bg,.mfp-container,.mfp-wrap{width:100%;height:100%}.mfp-container:before,.mfp-figure:after{content:''}.mfp-bg{z-index:1042;overflow:hidden;background:#0b0b0b;opacity:.8;filter:alpha(opacity=80)}.mfp-wrap{z-index:1043;outline:0!important;-webkit-backface-visibility:hidden}.mfp-container{text-align:center;position:absolute;left:0;top:0;padding:0 8px;box-sizing:border-box}.mfp-container,img.mfp-img{-webkit-box-sizing:border-box;-moz-box-sizing:border-box}.mfp-container:before{display:inline-block;height:100%;vertical-align:middle}.mfp-align-top .mfp-container:before{display:none}.mfp-content{position:relative;display:inline-block;vertical-align:middle;margin:0 auto;text-align:left;z-index:1045}.mfp-ajax-holder .mfp-content,.mfp-inline-holder .mfp-content{width:100%;cursor:auto}.mfp-ajax-cur{cursor:progress}.mfp-zoom,.mfp-zoom-out-cur,.mfp-zoom-out-cur .mfp-image-holder .mfp-close{cursor:pointer}.mfp-zoom{cursor:-webkit-zoom-in;cursor:-moz-zoom-in;cursor:zoom-in}.mfp-auto-cursor .mfp-content{cursor:auto}.mfp-arrow,.mfp-close,.mfp-counter,.mfp-preloader{-webkit-user-select:none;-moz-user-select:none;user-select:none}.mfp-loading.mfp-figure{display:none}.mfp-hide{display:none!important}.mfp-preloader{color:#ccc;position:absolute;top:50%;width:auto;text-align:center;margin-top:-.8em;left:8px;right:8px;z-index:1044}.mfp-preloader a{color:#ccc}.mfp-close,.mfp-preloader a:hover{color:#fff}.mfp-s-error .mfp-content,.mfp-s-ready .mfp-preloader{display:none}button.mfp-arrow,button.mfp-close{overflow:visible;cursor:pointer;background:0 0;border:0;-webkit-appearance:none;display:block;outline:0;padding:0;z-index:1046;-webkit-box-shadow:none;box-shadow:none}.mfp-figure:after,.mfp-iframe-scaler iframe{position:absolute;left:0;box-shadow:0 0 8px rgba(0,0,0,.6)}button::-moz-focus-inner{padding:0;border:0}.mfp-close{width:44px;height:44px;line-height:44px;position:absolute;right:0;top:0;text-decoration:none;text-align:center;opacity:.65;filter:alpha(opacity=65);padding:0 0 18px 10px;font-style:normal;font-size:28px;font-family:Arial,Baskerville,monospace}.mfp-close:focus,.mfp-close:hover{opacity:1;filter:alpha(opacity=100)}.mfp-close:active{top:1px}.mfp-close-btn-in .mfp-close{color:#333}.mfp-iframe-holder .mfp-close,.mfp-image-holder .mfp-close{color:#fff;right:-6px;text-align:right;padding-right:6px;width:100%}.mfp-counter{position:absolute;top:0;right:0;color:#ccc;font-size:12px;line-height:18px}.mfp-figure,img.mfp-img{line-height:0}.mfp-arrow{position:absolute;opacity:.65;filter:alpha(opacity=65);margin:-55px 0 0;top:50%;padding:0;width:90px;height:110px;-webkit-tap-highlight-color:transparent}.mfp-arrow:active{margin-top:-54px}.mfp-arrow:focus,.mfp-arrow:hover{opacity:1;filter:alpha(opacity=100)}.mfp-arrow .mfp-a,.mfp-arrow .mfp-b,.mfp-arrow:after,.mfp-arrow:before{content:'';display:block;width:0;height:0;position:absolute;left:0;top:0;margin-top:35px;margin-left:35px;border:inset transparent}.mfp-arrow .mfp-a,.mfp-arrow:after{border-top-width:13px;border-bottom-width:13px;top:8px}.mfp-arrow .mfp-b,.mfp-arrow:before{border-top-width:21px;border-bottom-width:21px;opacity:.7}.mfp-arrow-left{left:0}.mfp-arrow-left .mfp-a,.mfp-arrow-left:after{border-right:17px solid #fff;margin-left:31px}.mfp-arrow-left .mfp-b,.mfp-arrow-left:before{margin-left:25px;border-right:27px solid #3f3f3f}.mfp-arrow-right{right:0}.mfp-arrow-right .mfp-a,.mfp-arrow-right:after{border-left:17px solid #fff;margin-left:39px}.mfp-arrow-right .mfp-b,.mfp-arrow-right:before{border-left:27px solid #3f3f3f}.mfp-iframe-holder{padding-top:40px;padding-bottom:40px}.mfp-iframe-holder .mfp-content{line-height:0;width:100%;max-width:900px}.mfp-image-holder .mfp-content,img.mfp-img{max-width:100%}.mfp-iframe-holder .mfp-close{top:-40px}.mfp-iframe-scaler{width:100%;height:0;overflow:hidden;padding-top:56.25%}.mfp-iframe-scaler iframe{display:block;top:0;width:100%;height:100%;background:#000}.mfp-figure:after,img.mfp-img{display:block;width:auto;height:auto}img.mfp-img{box-sizing:border-box;padding:40px 0;margin:0 auto}.mfp-figure:after{top:40px;bottom:40px;right:0;z-index:-1;background:#444}.mfp-figure small{color:#bdbdbd;display:block;font-size:12px;line-height:14px}.mfp-figure figure{margin:0}.mfp-bottom-bar{margin-top:-36px;position:absolute;top:100%;left:0;width:100%;cursor:auto}.mfp-title{text-align:left;line-height:18px;color:#f3f3f3;word-wrap:break-word;padding-right:36px}.mfp-gallery .mfp-image-holder .mfp-figure{cursor:pointer}@media screen and (max-width:800px) and (orientation:landscape),screen and (max-height:300px){.mfp-img-mobile .mfp-image-holder{padding-left:0;padding-right:0}.mfp-img-mobile img.mfp-img{padding:0}.mfp-img-mobile .mfp-figure:after{top:0;bottom:0}.mfp-img-mobile .mfp-figure small{display:inline;margin-left:5px}.mfp-img-mobile .mfp-bottom-bar{background:rgba(0,0,0,.6);bottom:0;margin:0;top:auto;padding:3px 5px;position:fixed;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.mfp-img-mobile .mfp-bottom-bar:empty{padding:0}.mfp-img-mobile .mfp-counter{right:5px;top:3px}.mfp-img-mobile .mfp-close{top:0;right:0;width:35px;height:35px;line-height:35px;background:rgba(0,0,0,.6);position:fixed;text-align:center;padding:0}}@media all and (max-width:900px){.mfp-arrow{-webkit-transform:scale(.75);transform:scale(.75)}.mfp-arrow-left{-webkit-transform-origin:0;transform-origin:0}.mfp-arrow-right{-webkit-transform-origin:100%;transform-origin:100%}.mfp-container{padding-left:6px;padding-right:6px}}.mfp-ie7 .mfp-img{padding:0}.mfp-ie7 .mfp-bottom-bar{width:600px;left:50%;margin-left:-300px;margin-top:5px;padding-bottom:5px}.mfp-ie7 .mfp-container{padding:0}.mfp-ie7 .mfp-content{padding-top:44px}.mfp-ie7 .mfp-close{top:0;right:0;padding-top:0}.mfp-fade.mfp-bg{opacity:0;transition:all .15s ease-out}.mfp-fade.mfp-bg,.mfp-fade.mfp-wrap .mfp-content{-webkit-transition:all .15s ease-out;-moz-transition:all .15s ease-out}.mfp-fade.mfp-bg.mfp-ready{opacity:.8}.mfp-fade.mfp-bg.mfp-removing{opacity:0}.mfp-fade.mfp-wrap .mfp-content{opacity:0;transition:all .15s ease-out}.mfp-fade.mfp-wrap.mfp-ready .mfp-content{opacity:1}.mfp-fade.mfp-wrap.mfp-removing .mfp-content{opacity:0}