body {
	margin: 0px;
	padding: 0px;
	text-align: center;
	background: #ffffff;
}
.contenedor {
	width: 709px;
	height: 354px;
	position: absolute;
	top:50%;
	left:50%;
	margin-left: -354px;
	margin-top: -177px;
	background: url(../img/logo.png) no-repeat;
}