body{font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;max-width:720px;margin:3rem auto;padding:0 1.25rem;color:#1d1d1f;background:#fff}
@media (prefers-color-scheme:dark){body{color:#e8e8ea;background:#111}a{color:#8ab4ff}}
h1{font-size:1.8rem;margin-bottom:.25rem}h2{font-size:1.2rem;margin-top:2rem}
.muted{color:#888;font-size:.9rem}footer{margin-top:3rem;font-size:.9rem;color:#888}