body {
	font-family: sans-serif;
}

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

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

.parameter {
	background-color: #dee;
}

.returnvalue {
	background-color: #edd;
}

.errorcode {
	font-family: monospace;
}