:root{color-scheme:light dark;font-family:system-ui,sans-serif}body{margin:0;min-height:100vh;display:grid;place-items:center;background:#0f172a;color:#e2e8f0}.card{max-width:32rem;padding:2rem;text-align:center}code{background:#94a3b833;padding:.1em .35em;border-radius:4px}