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