div.overlay { 

	/* growing background image */ 
	background-image:url(../images/overlay/overlay_background.png); 

	/* dimensions after the growing animation finishes  */ 
	width:500px;
	height:248px;

	/* initially overlay is hidden */ 
	display:none; 

	/* some padding to layout nested elements nicely  */ 
	padding:55px; 
} 

/* default close button positioned on upper right corner */ 
div.overlay div.close { 
	background-image:url(../images/overlay/close.png); 
	position:absolute; 
	right:5px; 
	top:5px; 
	cursor:pointer; 
	height:35px; 
	width:35px; 
}