body {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 1em;
	color: #000000;
	margin: 33px;
	height: 100%;
	background-color:#cdcdcd;
}
#esterno {
	background-color:#ffffff;
	position:absolute;
	left: 50%;
	width: 700px;
	height: 500px;
	margin-left: -350px;
	
}