body { font-family: sans-serif; line-height: 1.6; max-width: 800px; margin: 0 auto; padding: 20px; color: #333; }
h1 { border-bottom: 2px solid #eee; padding-bottom: 10px; }
h2 { margin-top: 30px; }
.footer { margin-top: 50px; font-size: 0.9em; color: #777; border-top: 1px solid #eee; padding-top: 20px; }
a { color: #0070f3; text-decoration: none; }
a:hover { text-decoration: underline; }