#mask {
  position:absolute;
  left:0;
  top:0;
  z-index:9000;
  background-color:#000;
  display:none;
}

#boxes .window {
  position:absolute;
  left:0;
  top:0;
 

  display:none;
  z-index:9999;
  padding:20px;
  text-align: center;
}

#boxes #dialog {

  padding:10px;
  background-color:#ffffff;
}