/* crt effect credited to: https://oudkee.neocities.org/tutorials/tutcrt */

.crt::before {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  z-index: 2;
  background-size: 100% 2px, 3px 100%;
  pointer-events: none;
}

@keyframes flicker {
  0%  { opacity: 0.27861; }
  5%  { opacity: 0.34769; }
  10% { opacity: 0.23604; }
  15% { opacity: 0.10626; }
  20% { opacity: 0.18128; }
  25% { opacity: 0.10626; }
  30% { opacity: 0.18128; }
  35% { opacity: 0.23604; }
}

.crt::after {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: rgba(18, 16, 16, 0.1);
  opacity: 0;
  z-index: 2;
  pointer-events: none;
  animation: flicker 0.15s infinite;
}