screen.twocol.css

body {
    background-color: #fff;
    font-family: 'CMU Serif', serif;
    margin: 20px auto;
}

.twocol {
    column-count: 2;
    column-gap: 20px;
    -moz-column-count: 2;
    -moz-column-gap: 20px;
    -webkit-column-count: 2;
    -webkit-column-gap: 20px;
}

.title_page h1 {
    width: 740px;
    text-align: center;
    font-weight: normal;
    font-size: 18pt;
    font-family: sans-serif;
}

.title_page {
    width: 740px;
}

.content h2,
.content h3,
.content h4,
.content h5,
.content h6 {
    font-weight: normal;
    font-variant: sans-serif;
    text-transform: uppercase;
}

.title_page_meta h3 {
    font-weight: bold;
    margin: 0;
    font-family: serif;
    font-size: 1em;
}

.title_page_meta .abstract h3 {
    font-weight: normal;
    text-transform: uppercase;
}

.title_page_meta p {
    display: inline;
}

.author {
    text-align: center;
    padding: 10px 0 30px 0;
    font-family: sans-serif;
    font-size: 11pt;
}

.author em {
    font-size: 13pt;
    font-weight: normal;
    font-style: normal;
}

.author p {
    display: inline-block;
    width: 200px;
    padding: 10px;
    white-space: pre;
    vertical-align: top;
}

.title_page_meta .details {
    padding-bottom: 30px;
}

.table_of_contents {
    display: none;
}

pre code {
    padding: 0;
    display: block;
    font-family: 'CMU Typewriter Text', monospace;
}

@media screen {
    html {
        background-color: #555;
    }

    body {
        width: 740px;
        padding: 90px 40px;
        box-shadow: 0px 3px 8px #000;
        -moz-box-shadow: 0px 3px 8px #000;
        -webkit-box-shadow: 0px 3px 8px #000;
    }
}

@media print {
    body {
        padding: 0 0 0 0;
        width: 740px;
    }
}