:root { color-scheme: dark; background: #080a0f; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; min-height: 100svh; display: grid; place-items: center; }
main { width: 100%; padding: 32px; }
h1 { margin: 0; text-align: center; line-height: 0; }
img { width: min(531px, 100%); height: auto; }