#mask {
  position:absolute;
  left:0;
  top:0;
  z-index:9000;
  display:none;
}
  
#boxes .window {
  position:absolute;
  left:0;
  top:0;
  width:300px;
  height:80px;
  display:none;
  z-index:9999;
  padding:20px;
  border: 1px solid #000;
  background-color: #ffffff;
}
 
#boxes #dialog {
  width:300px; 
  height:80px;
  padding:10px;
  background-color:#ffffff;
}