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.imgh {
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.signUpButton {
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    font-size: 1.125em;
    height: 40px;
    line-height: 1.2;
    text-decoration: none;
    width: 160px;
    padding: 8px 24px;
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    }
.signUpLink {
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.small-caps {
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.timg {
    display: block;
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    padding: 0;
    margin: 0
    }
.toc-acknowledgements {
    display: list-item;
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    margin-bottom: 6pt;
    margin-top: 6pt;
    text-indent: 0
    }
.toc-appendix {
    display: list-item;
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    margin-top: 15pt;
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    }
.toc-chapter {
    display: list-item;
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    }
.toc-chapter1 {
    display: list-item;
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    }
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    margin-top: 6pt;
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    }
.toc-prefaces {
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    margin-left: 0;
    margin-top: 6pt;
    padding-left: 2em;
    text-indent: -2em
    }
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    display: block;
    font-size: 1.66667em;
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    line-height: 1.2;
    page-break-before: always;
    text-align: center;
    text-indent: 0;
    margin: 10% 0 3em
    }
.welcome {
    display: block;
    text-align: center;
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    margin: 0 0 0.25em
    }
.pcalibre1:hover {
    -webkit-box-shadow: 0 0 15px #555 inset
    }
.pcalibre:active {
    -webkit-box-shadow: 0 0 15px #555 inset;
    background: #555
    }