body{font-family:Georgia,serif;max-width:720px;margin:2rem auto;padding:0 1rem;line-height:1.65;color:#222}
h1,h2{font-family:Helvetica,Arial,sans-serif;color:#1a3550}
a{color:#0b6adb}nav{margin-bottom:1.5rem;font-family:Arial,sans-serif;font-size:.9rem}
footer{margin-top:3rem;border-top:1px solid #ddd;padding-top:1rem;font-size:.85rem;color:#666}
code{background:#f4f4f4;padding:.1rem .3rem;border-radius:3px}