#crt-overlay{position:fixed; inset:0; pointer-events:none; z-index:9999;
  background:repeating-linear-gradient(0deg, rgba(0,0,0,.18) 0 1px, transparent 1px 3px);
  mix-blend-mode:multiply;}
#crt-overlay::after{content:""; position:absolute; inset:0;
  background:radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,.45) 100%);}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important;}
}