.Grisesquinasuperior {
	background-image: url(../img/cuadrogris_05.gif);
	background-repeat: repeat-x;
	background-position: left top;
	float: left;
	height: 8px;
	width: 100%;
}
.Grisesquinainferior {
	background-repeat: repeat-x;
	background-position: left top;
	height: 10px;
	width: 100%;
	background-color: #CACACA;
	float: left;
}