#rainCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 40;
  pointer-events: none;
}

.dark-overlay {
    position:absolute;
    inset:0;
    pointer-events:none;
    z-index:30;

    background:
    radial-gradient(circle at center,
    rgba(0,0,0,0.02),
    rgba(0,0,0,0.18)),

    linear-gradient(
    to bottom,
    rgba(0,0,0,0.02),
    rgba(0,0,0,0.18));
}