html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  /* overflow: hidden; */
  background: #000;
}
canvas.webgl {
  display: block;
  width: 100vw;
  height: 100dvh;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  box-sizing: border-box;
}