html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: #0a0908;
  display: flex;
  align-items: center;
  justify-content: center;
}

img {
  max-width: min(420px, 85vw);
  height: auto;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}