#loading-screen {
  position: fixed;
  inset: 0;
  z-index: 100000;
  background: radial-gradient(circle at top, #0f172a, #050816);
}

#sandCanvas {
  display: block;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top, #0f172a 0%, #050816 80%);
}