body,html{
	height: 100%;
	background-color: #ffffff;
	padding: 0;
	margin: 0;
}
#table{
	display: table;
	width: 100%;
	height: 100%;
	margin: auto;
}
#cell{
	display: table-cell;
	vertical-align: top;
}
#contenido{
	height: 660px;
	background: transparent;
}