.ui-body-a, .ui-overlay-a {
    background-color: #e8e8e8;
    /* 新年版 */
    *background-image: url(../images_newyear/03c.jpg);
    *position: absolute;
    background-size: 100% 100%;
}
/* 新年版 */
.ui-overlay-a-newyear {
    background-image: url(../images_newyear/03c.jpg);
}