.time-ended::before {
  content: "ZEIT ABGELAUFEN";
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: rgba(166, 31, 45, .92);
  color: #fff;
  font-size: clamp(2.5rem, 9vw, 7rem);
  font-weight: 900;
  text-align: center;
  animation: time-pulse .35s ease-in-out 3 alternate;
  pointer-events: none;
}
@keyframes time-pulse { from { opacity: .45; } to { opacity: 1; } }