#lightbox{
 	background-image: url(images/biglietto.png);
	}

#overlay{ background-image: url(images/overlay.png); }

* html #overlay{
	background-color: #333;
	back\ground-color: transparent;
	background-image: url(blank.gif);
	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="overlay.png", sizingMethod="scale");
	}