body { max-width: 800px; margin: 40px auto; padding: 0 20px; font-family: system-ui, -apple-system, sans-serif; line-height: 1.6; }
pre { background: #f4f4f4; padding: 15px; border-radius: 5px; overflow-x: auto; }
code { background: #f4f4f4; padding: 2px 5px; border-radius: 3px; }