html, body, #canvas {
  width: 100%;
  height: 100%;
  margin: 0;
}
body {
  background-color: #000000;
}
#wrapper {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#menu {
  width: 100%;
}
audio {
  display: none;
}