div#corpo {
	border-top: 2px dotted black;
	margin: 2px 0 0 190px;
	padding: 0;
}
div#corpo div#colonnaSx {
	margin-top: 10px;
	border: 0;
	margin-right: 570px;
	text-align: right;
	padding: 2px;
}
div#corpo div#colonnaDx {
	margin-top: 2px;
	width: 570px;
	border: 0;
	float: right;
	padding: 2px;
}