html,
      body {
        overflow: hidden;
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
        color: black;
        background-color: black;
      }

      #canvas {
        width: 100%;
        height: 100%;
        touch-action: none;
        color: black;
        background-color: black;
	outline: none;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0); /* mobile webkit */
      }