body {
	font-family: Helvetica, Arial, sans-serif;
	font-size: 12px;
	margin: 4em;
}
#catalog td {
	width: 50%;
	vertical-align: top;
	border-bottom: 4px solid #696;
}
#catalog h2 { 
	text-align: center;
	margin-top: 0; 
	margin-bottom: 2em;
	color: #696; 
}
.small {
	font-size: smaller;
	color: #666;
}
td.gray-bkgnd {
	background-color: #E2E2E2;
	padding-left: 2em;
	padding-right: 2em;
}