body { font-family: Arial, sans-serif; line-height: 1.6; margin: 0; padding: 0; background-color: #f4f4f9; } header { color: #fff; padding: 1rem 0; text-align: center; } header h1 { margin: 0; font-size: 2rem; } nav { background: #444; color: #fff; padding: 0.5rem 1rem; } nav a { color: #fff; text-d…