.selector {
	width: 10em;
	float: left;
	border: 2px solid #090;
	padding: 0.5em 1em 0.5em 1em;
}
.selector h3 {
	margin-top: 0px;
}
.visualization {
	clear: left;
}

.images, .differences, .graph {
	float: left;
	margin-right: 2em;
	margin-bottom: 1em;
}

.first, .last, .diff, .norm {
	float: left;
	margin-right: 50px;
}
.images p, .differences p, .graph p {
	margin-top: 0px;
	margin-bottom: 0px;
}