#notice {
    width: 220px;
    height: 120px;
    border-radius: 10px;
    background-image: url('/theme/default/background1.png');  /* ÉèÖñ³¾°Í¼Æ¬ */
    background-size: cover;                   /* ÈÃͼƬ¸²¸ÇÕû¸ö div */
    background-position: center;              /* ±³¾°Í¼Æ¬¾ÓÖÐ */
    line-height: 120px;
    text-align: center;
    position: fixed;
    z-index: 99;
}