body,html {
  background-color: rgb(249, 240, 204);
  position: absolute;
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
canvas {
  width: 100vw;
  height: 100vw;
  max-height: 100vh;
  max-width: 100vh;
  margin: auto;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}