.bgCover {
    background:#000; position:fixed; left:0; top:0; display:none; overflow:hidden; z-index:1999;
}
.overlayBox {

    position:absolute;
    display:none;
    background:#fff;
    z-index:2000;
    
    text-align: center;
    padding: 20px;


}
.overlayBox #a_cl {
  position: absolute;
  right: -12px;
  top: -12px;
  width: 29px;
  height: 29px;
  background: url('../images/overlayclose.png') no-repeat;
  display: block;
  text-decoration: none;
}
.overlayBox #a_cl:hover {
  text-decoration: none;
}