body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
}
#contenedor {
	position: relative;
	width: 1000px;
	height: 100%;
	z-index: 1;
}
#menu_sup {
	position: absolute;
	width: 308px;
	height: 29px;
	z-index: 2;
	left: 681px;
	top: 11px;
}
#logo_mass {
	position: absolute;
	width: 281px;
	height: 209px;
	z-index: 2;
	left: 67px;
	top: 66px;
}