.over_contents#exhibition {
    background: url(/images/front/pc/top/exhibition/bg_exhibition.jpg) 0% repeat;
}
#lineup .link_over a:hover img {
  opacity: 0.85;
  filter: alpha(opacity=85);        /* ie lt 85 */
  -ms-filter: "alpha(opacity=85)";  /* ie 85 */
  -webkit-filter: opacity(0.85);
  -moz-filter: opacity(0.85);
  -o-filter: opacity(0.85);
  -ms-filter: opacity(0.85);
  filter: opacity(0.85);
}