/* body {
  background-color: grey;

  /* leave it to hide the scrollbars */

/* } */



  html,
  body {
    margin: 0;
    padding: 0;
    background: white;
    overflow: hidden;
  }

  main {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;

  }

  canvas {
    object-fit: contain;
    max-height: 100%;
    max-width: 100%;
    display: block;
  }