.popbox {
  margin:0px auto;
  text-align:center;
  position:relative;
}

  .collapse { position:relative; }

  .open {
	  cursor:pointer;
	  text-align:center;
     }

    .box {
      display:block;
      display:none;
      background:#F7F7F8;
      border:solid 1px #BBBBBB;
      box-shadow:0px 0px 15px #999;
      position:absolute;
	  width:830px;
    }