:root{color-scheme:light dark;font-family:-apple-system,system-ui,sans-serif}
body{margin:0;display:flex;justify-content:center}
main{max-width:34rem;padding:2rem 1.25rem;line-height:1.5}
h1{font-size:1.6rem;margin:.5rem 0 1rem}h2{font-size:1.1rem;margin-top:2rem}
.button{display:inline-block;padding:.75rem 1.25rem;border-radius:.6rem;background:#0a66d8;color:#fff;text-decoration:none;font-weight:600}
.muted{opacity:.7;font-size:.9rem}