:root { color-scheme: dark; background: #000; }
* { box-sizing: border-box; }
body { margin: 0; background: #000; }
main { display: grid; place-items: center; min-height: 100vh; min-height: 100svh; padding: 24px; }
img { display: block; width: 220px; max-width: 60vw; height: auto; }