#mainContent dl {
	width: 95%;
	margin: 0 auto;
}

#mainContent dl dt {
	text-align: center;
	padding: 2em 0; 
	font-size: 1.5em;
	font-weight: bold;
	clear: both;
}

#mainContent dd ul {
	list-style-type: none;
	width: 90%;
	margin: 0 auto;
}

#mainContent dd ul li {
	width: 25%;
	display: block;
	float: left;
	text-align: center;
	padding: 1.5em;
	margin: 1.5em;
}

#mainContent dd ul li a {
	text-decoration: none;
	line-height: 2.5;
}

dd p.return_to_top a {
	clear: both;
	text-align: center;
	display: block;
	text-decoration: none;
	font-style: italic;
}