.overlay {
	
	/* must be initially hidden */
	display:none;
	
	/* place overlay on top of other elements */
	z-index:10000;
	
	/* styling */
	background-color:#DDD;
	
	width:580px;	
	min-height:420px;
	border:1px solid #666;
	
	/* CSS3 styling for latest browsers */
	-moz-box-shadow:0 0 90px 5px #000;
	-webkit-box-shadow: 0 0 90px #000;	
}