.buttonbox {
    display: block;
    text-align: center
    }
.calibre {
    display: block;
    font-size: 1em;
    line-height: 1.2;
    padding-left: 0;
    padding-right: 0;
    text-rendering: optimizeSpeed;
    margin: 0 5pt
    }
.calibre1 {
    display: block;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    max-height: 100%;
    page-break-inside: avoid;
    width: 100%
    }
.calibre2 {
    display: block;
    margin-left: 5%;
    margin-right: 5%
    }
.calibre3 {
    color: gray;
    display: block;
    height: 2px;
    width: 100%;
    border: currentColor inset 1px;
    margin: 0.5em auto
    }
.calibre4 {
    font-style: italic
    }
.calibre5 {
    display: block
    }
.calibre6 {
    font-weight: bold
    }
.center {
    display: block;
    orphans: 2;
    text-align: center;
    text-indent: 0;
    widows: 2;
    margin: 0
    }
.center1 {
    display: block;
    orphans: 2;
    text-align: center;
    text-indent: 0;
    widows: 2;
    margin: 1em 0 0
    }
.chaptertitle {
    -epub-hyphens: auto;
    -moz-hyphens: auto;
    -webkit-hyphens: auto;
    display: block;
    font-size: 1.375em;
    font-style: italic;
    font-weight: normal;
    hyphens: auto;
    line-height: 1.2;
    page-break-after: avoid;
    text-align: center;
    margin: 1.5em 0
    }
.context {
    color: gray;
    display: block;
    height: 2px;
    border: currentColor none 0;
    margin: 0
    }
.follow {
    display: block;
    orphans: 2;
    text-align: left;
    text-indent: 1em;
    widows: 2;
    margin: 0
    }
.fronttitle {
    -epub-hyphens: auto;
    -moz-hyphens: auto;
    -webkit-hyphens: auto;
    display: block;
    font-size: 1.375em;
    font-style: italic;
    font-weight: normal;
    hyphens: auto;
    line-height: 1.2;
    page-break-after: avoid;
    text-align: left;
    margin: 1.5em 0 0
    }
.full {
    margin-left: auto;
    margin-right: auto;
    page-break-inside: avoid;
    text-align: center;
    width: 100%
    }
.full1 {
    margin-left: auto;
    margin-right: auto;
    page-break-inside: avoid;
    text-align: center;
    width: 100%
    }
.graphic {
    background: url(OPS/images/graphicbreak.jpg) no-repeat top center;
    background-size: contain;
    color: gray;
    display: block;
    height: 1em;
    page-break-inside: avoid;
    position: relative;
    border: currentColor none medium;
    margin: 1em auto
    }
.half {
    page-break-inside: avoid;
    width: 50%;
    margin: 0.75em auto
    }
.hang {
    display: block;
    orphans: 2;
    text-align: left;
    text-indent: -1em;
    widows: 2;
    margin: 0 0 0 1em
    }
.left {
    display: block;
    orphans: 2;
    text-align: left;
    text-indent: 0;
    widows: 2;
    margin: 0
    }
.margin {
    display: block;
    margin: 1.25em 5%
    }
.sink {
    display: block;
    margin: 5.7em 5% 0
    }
.smallcaps {
    font-size: 0.75em;
    text-transform: uppercase
    }
.source {
    display: block;
    font-size: 0.75em;
    font-style: italic;
    orphans: 2;
    text-align: center;
    text-indent: 0;
    widows: 2;
    margin: 0
    }
.subcontainer {
    display: inline-block;
    width: 8em;
    margin: 0.25em 0.25em 0 0
    }
.teaser {
    -epub-hyphens: auto;
    -moz-hyphens: auto;
    -webkit-hyphens: auto;
    display: block;
    font-size: 1.375em;
    font-style: normal;
    font-weight: bold;
    hyphens: auto;
    line-height: 1.2;
    page-break-after: avoid;
    text-align: center;
    margin: 1.5em 0
    }
.three-quarter {
    page-break-inside: avoid;
    width: 75%;
    margin: 0.75em auto
    }
.toc {
    -epub-hyphens: none;
    -moz-hyphens: none;
    -webkit-hyphens: none;
    display: block;
    font-style: italic;
    hyphens: none;
    orphans: 2;
    text-align: left;
    text-indent: -1em;
    widows: 2;
    margin: 0 0 0 2em;
    padding: 1px 0
    }
.toc1 {
    -epub-hyphens: none;
    -moz-hyphens: none;
    -webkit-hyphens: none;
    display: block;
    hyphens: none;
    orphans: 2;
    text-align: left;
    text-indent: -1em;
    widows: 2;
    margin: 0 0 0 2em;
    padding: 1px 0
    }
.websitebutton {
    text-decoration: none
    }