body {
	width: 100%;
	height: 100%;
	margin: 0px;
	padding: 0px;
}
#centerbox {
	width: 500px;
	height: 375px; 
	background-color: #ffffff;
	background-image:  url(/Sicilio.png);
	background-repeat: no-repeat;
	position: absolute;
	top: 50%; 
	left: 50%;
	margin: -187px 0 0 -250px;
}