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

body {
  display: grid;
  place-items: center;
}

main {
  width: min(96vw, 1500px);
  padding: 24px;
}

img {
  display: block;
  width: 100%;
  height: auto;
}