body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: white;


  /* leave it to hide the scrollbars */
  overflow: hidden;
}

#canvas {
    max-width: 100%;
    max-height: 100%;
}