#cabecera .menu_principal{float:left; width:100%; height:250px; display:inline; margin-top:17px; overflow:hidden;background:url(/imagenes/comunes/menu-principal-bg.jpg) no-repeat center 4px #fff;}
a.hipotecas{background:url(/imagenes/comunes/hipotecas.gif) center center no-repeat;height: 111px;display:block;text-indent:-9999px;}