div {
	margin: 15px;
	border: 2px dashed #F00;
}

div:before {
	color: #F00;
	content: attr(id);
	display: block;
	font-family: gillsans, "Gill Sans", "Lucida Grande", Verdana, Geneva, sans-serif;
	font-size: 150%;
	margin: 15px;
	text-align: center;
	text-transform: uppercase;
}

.clear {
	display: none;
}