html, body {
      margin: 0;
      padding: 0;
      height: 100%;
    }
    body {
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100%;
      background-color: #202020;
    }
    canvas {
      display: block;
    }
    #canvas {
      position: relative;
    }

main {
	display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}
/* body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: transparent;
  touch-action: none;
} */

{
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}