#centrato {
	width: 950px;
	height: 580px;
	position: absolute;
	left: 50%;
	top: 50%;
	margin-left: -475px; 
	margin-top: -290px;
	border:thin dotted #666666;
	}
#intro {
	width: 950px;
	height: 560px;
	}

#contatore{
	width: 950px;
	height: 10px;
	text-align:center;
	clear:both;
	}