.gbDiv {
   background-color: white;
   display: none;
   position: absolute;
   top: 100px;
   left: 125px;
   z-index: 999;
  }
   /* for IE */
   *+html .gbDiv {
    top: 75px;
   }
   .gbCloseDiv {
    cursor: pointer;
    position: absolute;
    right: 10px;
    top: 5px;
    height: 15px;
    width: 50px;
    background-image: url(http://microchat.vysr.com/float/close.png);
    background-repeat: no-repeat;
   }