ul#rotator_cabecera {
	width:990px;
	height:250px;
	overflow:hidden;
	margin:0px;
	padding:0px;
	background-color:#fff;
	margin-left:auto;
	margin-right:auto;
	position:relative;
	z-index:1;
	background-image:url(../imagenes/fondo_rotator.jpg);
	background-repeat:no-repeat;
}

ul#rotator_cabecera li {
	list-style:none;
	margin:0px;
	padding:0px;
}