#overlay {
	display: table;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: #3a3a3a;
	text-align: center;
	 -moz-opacity : 0.8; opacity : 0.8;filter : alpha(opacity=80);
	 z-index: 666;
}