#centerAdBox .adItem {
  display: none;
  position: fixed;
  width: 541px;
  height: 325px;
  top: 50%;
  left: 50%;
  z-index: 9;
  transform: translate3d(-50%,-50%,0);
}
#centerAdBox .adItem a.closeAdBtn {
  position: absolute;
  display: block;
  width: 60px;
  height: 60px;
  top: 14px;
  right: 13px;
  cursor: pointer;
  opacity: 1;
}