#mask {
  position:absolute;
  z-index:9000;
  background: rgba(255, 255, 255, 0.0);
  display:none;
}

#boxes .window {
  position:absolute;
  display:none;
  z-index:9999;
  padding:20px;
}

#boxes #dialog {
  background-color: white;
  border: 5px solid gray;
  border-radius: 10px 10px 10px 10px;
}

#boxes .close {
  display:none;
  position:absolute;
  z-index:10000;
}