:root { color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: #161616; }
img { width: min(80vw, 480px); height: auto; display: block; }
h1 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }