html::after {
  content: "";
  display: block;
  position: fixed;
  left: 0;
  top: 0;
  width: calc(100% + 32px);
  height: calc(100% + 32px);
  background-image: url(https://parkaction.neocities.org/OCfolder/computeroverlay.png);
  background-repeat: repeat;
  

  z-index: 2147483647; 
  

  pointer-events: none; 
  
  animation: ScanlineAnimationLeft 2s linear infinite;
  opacity: 1;
}


@keyframes ScanlineAnimationLeft {
  0% { transform: translateX(0px) translateY(0px); }
  100% { transform: translateX(-32px) translateY(-32px); }
}