#centerAdBox .adItem {
  display: none;
  position: fixed;
  width: 615px;
  height: 374px;
  top: 50%;
  left: 50%;
   transform: translate3d(-50%,-50%,0);
  z-index: 9;
}
#centerAdBox .adItem a.closeAdBtn {
  position: absolute;
  display: block;
    width: 50px;
    height: 50px;
    top: 22px;
    right: 25px;
  cursor: pointer;
  opacity: 1;
}