body { font-family: Arial, sans-serif; line-height: 1.6; margin: 0; padding: 0; } header { background: #f4f4f4; padding: 10px 20px; text-align: center; } .container { max-width: 800px; margin: 20px auto; padding: 20px; background: #ffffff; border-radius: 8px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);…