div#figura1 {
	width: 463px;
	margin: 0 auto;
}

div#figura1 span {
	display: block;
	width: 463px;
	height: 158px;
	background-image: url(../img/medida_quadra.gif);
}

div#figura2 {
	width: 490px;
	margin: 0 auto;
}

div#figura2 span {
	display: block;
	width: 490px;
	height: 292px;
	background-image: url(../img/molde_quadra.gif);
}