body {

    color: black;
    background: white;

    font-family: 'FreeSans', 'Liberation Sans', 'Arial', 'Helvetica', sans-serif;
    font-size: 10pt;
    text-align: justify;
    text-rendering: optimizeLegibility;

    margin: 0;
    padding: 0;

}

/* Green links */
a[href]         { color: #080; }
a[href]:visited { color: #884; }

div#content {

    margin-top: 0;
    margin-bottom: 0;
    margin-left: auto;
    margin-right: auto;

    max-width: 25cm;
    padding: 1em;

}

/* DOCBOOK */

.navheader hr, .navfooter hr {
    border: 0;
    border-bottom: 1px solid black;
}

.programlisting, .screen {
    background: black;
    color: silver;
    padding: 1em;
    border-radius: 0.5em;
    -moz-border-radius: 0.5em;
    -webkit-border-radius: 0.5em;
}

.book .titlepage {
    text-align: center;
    padding: 2em;
}

.titlepage hr {
    display: none;
}

.mediaobject {
    text-align: center;
    float: none;
    margin: 1em;
}

.caption {
    font-size: 0.8em;
    font-style: italic;
}

.navfooter, .section {
    clear: both;
}

.table-contents table {
    border: 1px solid black;
    border-collapse: collapse;
}

.table-contents td, .table-contents th {
    padding: 0.5em;
}