body {
	background: url(/lib/images/bg.png) repeat-x top;
	margin: 20px;
	line-height: 140%;
	font-family: helvetica;
	font-size: 13px;color: #333;
	}


div.nav {
	text-align: center;
	font-family: helvetica;
	font-size: 12px;
	color: grey;
	margin: 20px auto;
	padding: 20px 0;
	width: 600px;
	border-top: 1px solid #eee;
	}
div.nav a, div.nav a:link, div.nav a:visited {
	color: grey;
	text-decoration: none;
	padding: 3px 6px;
	}
div.nav a:hover, div.nav a:active {
	color: white;
	background: grey;
	}



/* hide hot links on nanotechnology page */

body.nanotechnology a.nanotechnology {display:none;}