doc/manual/docbook.css

/* stolen from "Making your DocBook/XML HTML output not suck" */

body {
         font-family: luxi sans,sans-serif;
}

.screen {
        font-family: monospace;
        font-size: 1em;
        display: block;
        padding: 10px;
        border: 1px solid #bbb;
        background-color: #eee;
        color: #000;   
        overflow: auto;
        border-radius: 2.5px;
        -moz-border-radius: 2.5px;
        margin: 0.5em 2em;
}

.programlisting {
	font-family: monospace;
	font-size: 1em;
	display: block;
	padding: 10px;
	border: 1px solid #bbb;
	background-color: #ddd;
	color: #000;   
	overflow: auto;
	border-radius: 2.5px;
	-moz-border-radius: 2.5px;
	margin: 0.5em 2em;
}

a { 
	text-decoration: none;
	border-bottom: 1px dotted #000; 
}

a:hover {
	background-color: #777;
	color: #fff; 
}