#backVentana{
	height: 5000px;
	width: 100%;
	display: none;
	background-image: url('../image/backVentana.png');
	position: fixed;
	top: 0px;
	left: 0px;
}

#ventana{
	position: absolute;
	display: none;
	border: 10px solid #fff;
	text-align: right;
	background-color: #ffffff;
}