html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  touch-action: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  overscroll-behavior: none;
  -webkit-overflow-scrolling: auto;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  cursor: none;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  image-rendering: auto;
}