#contenitore {
	position:relative;
	left: 0;
	top: 0px;
	width: 100%;
	height: 750px;
	margin: 0px;
	z-index: 1;
	text-align: center;
	visibility: visible;
}

#contenitore_facebook {
	position:relative;
	width: 780px;
	height: 750px;
	margin: 0 auto;
	z-index: 1;
	text-align: center;
	visibility: visible;
}
#intro {
	left: 0px;
	top: 0px;
	margin: 0;
	z-index: 1;
	visibility: visible;
	width: 800px;
	height: 510px;
}
#intro100 {
	left: 0px;
	top: 0px;
	margin: 0;
	z-index: 1;
	visibility: visible;
	width: 100%;
	height: 100%;
}