body {
  margin: 0;
  overflow: hidden;
}
#frameOverlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;

  pointer-events: none;
  z-index: 10;
}
#hint {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  text-align: center;
  z-index: 20;
  font-size: 1.5em;
  color: white;
  text-shadow: 0 0 5px #000;
  background: rgba(0,0,0,0.2);
  pointer-events: none;
}