html {
  width: 100%;
  height: 100%;  
  overflow: hidden;
  padding: 0;
  margin: 0;
  outline: 0;
}

body {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  overflow: hidden;
  background: #000;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
}

#canvas {
  width: 100%;
  height: 100%;
}