:root{color-scheme:light dark;font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{margin:0;min-height:100vh;display:grid;place-items:center;background:#f4f7fb;color:#172033}main{width:min(34rem,calc(100% - 3rem));padding:3rem;border:1px solid #dce3ee;border-radius:1rem;background:#fff;box-shadow:0 12px 40px #17203312}.mark{display:block;width:.8rem;height:.8rem;border-radius:50%;background:#20b26b;box-shadow:0 0 0 .35rem #20b26b20}h1{margin:1.5rem 0 .5rem;font-size:clamp(1.5rem,4vw,2.25rem);line-height:1.2}p{color:#5b667a}small{color:#7b8494}@media(prefers-color-scheme:dark){body{background:#10141c;color:#eef3fb}main{background:#171d28;border-color:#2a3445}p,small{color:#aab5c7}}