body {
  background-color: rgb(255, 255, 255);

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

  margin: 0;
  display: flex;

  /* This centers our sketch horizontally. */
  justify-content: center;

  /* This centers our sketch vertically. */
  align-items: center;
}

canvas{

  aspect-ratio: auto 1200 / 2000;
  width:100%;
  height:100%;
}