body {
  /* background-color: lightblue; */

  /* leave it to hide the scrollbars */
  overflow: hidden;
  margin: 0;

  /* margin: 0; */
  position: fixed;
  width: 100%;
  height: 100%;
}

canvas {
  /* image-rendering: pixelated; */
  padding: 0;
  margin: auto;
  display: block;
  /* background: white; */
  /* width: 100%; */
  /* height: 100%; */
}

#save {
  z-index: 100000;
  position: absolute;
  bottom: 2%;
}