div.index {
	background-color:#eeeeee;
	padding-left:0.5em;
	padding-right:0.5em;
	border-style:solid;
	border-width:1;
	border-color:white;
	margin-left:1em;
	margin-right:1em;
}

div.advanced {
	background:#ddeeff;
	padding-left:0.5em;
	padding-right:0.5em;
	border-style:solid;
	border-width:1;
	border-color:white;
	margin-left:1em;
	margin-right:1em;
}

.fig { text-align:center; font-size:80%; }