body{font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;color:#1d1d1f;background:#fff;max-width:640px;margin:64px auto;padding:0 20px}
h1{font-size:28px;margin:0 0 8px}h2{font-size:18px;margin:28px 0 4px}a{color:#0b57d0}
.muted{color:#6e6e73;font-size:15px}
@media (prefers-color-scheme:dark){body{background:#111;color:#eee}.muted{color:#999}a{color:#8ab4f8}}