#background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  background-size: 100px;
  z-index: -1;

  background: url("/image/stars.jpeg") repeat;

  /*TODO*/
  /*@media (prefers-color-scheme: dark) {
    background: url("/asset/image/stars.jpeg");
  }

  @media (prefers-color-scheme: light) {
    background: url("/asset/image/day_clouds.png");
  }*/
}