canvas {
  padding: 0;
  /* background-color: black; */

  margin: 0 auto;
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}

body {
  background-color: white;
  color: white;
  padding: 0;
  margin: 0;

  overflow: hidden;
}