div.pantalla
{
 	position: absolute;

 	left: 10px;
 	top: 10px;
 	background-image:url('../img/fondo.png');
	background-repeat: no-repeat;

 	width: 770px;
	height:540px;
	/*box-shadow: 1px 1px 1px rgba(0,0,0,0.75);*/
}

div#fondo2
{
	background-image:url('../img/fondo2.png');
	background-repeat: no-repeat;
}