body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
}
.fondo100x100 {
	background-repeat: repeat;
	left: 20px;
	top: 20px;
	right: 20px;
	bottom: 20px;
	background-position: center center;
	height: 700px;
	width: 1024px;
	background-color: #000000;
}