div#corpo {
	border-top: 2px dotted black;
	margin: 2px 0 0 190px;
	padding: 0;
}
div#corpo div#colonnaSx {
	margin-top: 2px;
	border: 0;
	margin-right: 190px;
	border-right: 2px dotted black;
	padding: 3px;
}
div#corpo div#colonnaDx {
	margin-top: 2px;
	width: 184px;
	border: 0;
	float: right;
	padding: 3px;
}