html {
  overflow: hidden;
  touch-action: none;
  content-zooming: none;
}

body {
  position: absolute;
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
}

canvas {
  width: 100%;
  height: 100%;
  background: #000;
  position: absolute;
}