body {
  background: hsl(154 50% 5%);
  color: hsl(154 84% 70%);
  text-shadow: 0 0 3px hsl(154 84% 70%);
  font-family: monospace;
  font-size: 16px;
  max-width: 550px;
  margin:auto;
}

pre {
  margin: auto;
  margin-top: 0;
  margin-bottom: 0;
  display: table;
  width: 100%;
}

#glare {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1; /* ensure the effect doesn't cover the text */
  background: radial-gradient(hsl(154 5% 15%) 0%, hsl(154 50% 5%) 70%);
}

@keyframes lines {
  0% {background-position: 0px 0px}
  50% {background-position: 0px 0px}
  51% {background-position: 0px 2px}
  100% {background-position: 0px 2px}
}

#interlaced {
  position: fixed;
  background: repeating-linear-gradient(transparent 0px 1px, hsl(154 0% 0%/.2) 3px 4px);
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  pointer-events: none;
  animation: lines 0.06666666s linear infinite;
}

@keyframes blink {
  0% {opacity: 0}
  30% {opacity: 1}
  70% {opacity: 1}
  100% {opacity: 0}
}

.blink {
  animation: blink 0.4s linear infinite;
}