*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:#fff;margin:0}img{max-width:100%}.skip{color:#042840;z-index:100;background:#fff;padding:10px 14px;position:absolute;top:0;left:-9999px}.skip:focus{top:8px;left:8px}#contenido:focus{outline:none}