html,
body {
  height: 100%;
  margin: 0;
  background: #000;
}

body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100dvh;
}

img {
  width: min(86vw, 720px);
  height: auto;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}