#lightning, .lightning-glow {
  position: absolute;
  width: 360px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(closest-side, white, rgba(255, 255, 255, 0));
  pointer-events: none;
  opacity: 0;
  display: none;
}
.flash {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse 110% 90% at var(--fx, 50%) 15%, rgba(255, 255, 252, .8), rgba(240, 242, 245, .35) 50%, rgba(235, 238, 242, .1) 100%);
  opacity: 0;
}