body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: #fafafa; color: #333; }
header { background: #222; color: #fff; padding: 1rem; text-align: center; }
header nav a { color: #fff; margin: 0 10px; text-decoration: none; }
main { padding: 20px; }
section { margin-bottom: 40px; }
footer { text-align: center; padding: 1rem; background: #222; color: #fff; margin-top: 20px; }