.fondoOpaco{
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;	
	z-index:1001;	
}
 
.layer2012{
	display: none;
	position: absolute;
	top: 110%;
	left: 33%;
	width:830px;	
	height:450px;	
	z-index:1002;
}