html,body {
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;
  display: flex;
  justify-content: center;
  align-items: center;
}

body {
  overflow: hidden;
  touch-action: none;
  background: radial-gradient(#47382f, #373746);
}


main {
  text-align: center;
  width: 100%;
}

canvas {
  margin: auto;
  display: block;
}