#overlay {
  position: fixed;
  display: none;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.7);
  z-index: 2;
  cursor: pointer;
}

#text{
  position: absolute;
  top: 50%;
  left: 50%;
  font-size: 300%;
  color: white;
  transform: translate(-50%,-50%);
  -ms-transform: translate(-50%,-50%);
}
.message {
  font-size: 88%;
  margin-top:20px;
}

.popup-window {
border:10px solid #FFFFFF;
padding:30px;
  background-color: rgba(0,0,0,0.95);
  -webkit-border-radius: 30px;
-moz-border-radius: 30px;
border-radius: 30px;
}