html, body{
	margin: 0;
	padding: 0;
	height: 100%;
	overflow:hidden;
	background: #000000;
}
.contenedor{
	position: absolute;
	width: 100%;
	height: 580px;
	margin-top: -20px;
	display: block;
}
.superior{
	margin:0 auto;
	padding:0;
	width:100%;
	height:630px;
	text-align:center;
}
.inferior{
	margin: 0;
	padding: 0;
	height: 63px;
	background: #000000;
	bottom:0px;
}
#gracias{
	text-align: center;
	color: #fff;
	margin: 10px auto;
	font-size: 18px;
	position: absolute;
	width: 600px;
	height: 350px;
	top: 50%;
	left: 50%;
	margin-top: -175px;
	margin-left: -300px;
	display: block;

}