body {
  margin: 0;
  overflow: hidden;
  background-color: black;
}
canvas {
  width: 100vw;
  height: 100vh;
  position: absolute;
  /* background-color: white; */
  /* margin-left: 300px; */
}
.imageshow {
  width: 100vw;
  height: 100vh;
  position: absolute;
  /* background-color: red; */
  background-image: "/2_no_clouds_4k.jpg";
}
@media screen and (max-width: 768px) {
  canvas {
    width: 100vw;
    height: 100vh;
    position: absolute;
    margin: 0;
  }
}