body {
  background-color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;

  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  touch-callout: none;
}
img {
  vertical-align: inherit;
  user-drag: none;
  -webkit-user-drag: none;
  -moz-user-select: none;
  pointer-events: none;
}

#message {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.5);
}