/* ---------- background ---------- */
.scene {
  position: fixed;
  inset: 0;
  z-index: 0;

  /* Keep a fallback color, but don't use the shorthand that wipes image props */
  background-color: #2b2213;

  /* Make day & night render the same way */
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: cover;  /* same scale/crop for both images */
}