:root {
  color-scheme: dark;
  background: #000;
}

* {
  box-sizing: border-box;
}

html,
body,
main {
  width: 100%;
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: #000;
}

main {
  display: grid;
  height: 100svh;
  place-items: center;
}

img {
  display: block;
  width: min(42vw, 440px);
  max-height: 72svh;
  object-fit: contain;
  filter:
    drop-shadow(0 0 2px #fff)
    drop-shadow(0 0 8px #46efff)
    drop-shadow(0 0 26px rgba(70, 239, 255, 0.9))
    drop-shadow(0 0 64px rgba(159, 104, 255, 0.68));
  animation: flicker 8s linear infinite;
}

@keyframes flicker {
  0%, 5%, 7%, 9%, 48%, 50%, 74%, 76%, 100% {
    opacity: 1;
  }

  6%, 8%, 49%, 75% {
    opacity: 0.48;
  }

  49.5%, 75.5% {
    opacity: 0.14;
  }
}

@media (max-width: 760px) {
  img {
    width: min(62vw, 390px);
  }
}

@media (prefers-reduced-motion: reduce) {
  img {
    animation: none;
  }
}