body { font-family: Arial, sans-serif; line-height: 1.6; background-color: #f4f4f4; margin: 0; padding: 20px; } header { background-color: #333; color: white; padding: 10px 0; text-align: center; } article { background-color: white; padding: 20px; border-radius: 10px; box-shadow: 0 0 10px rgba(0,0,0…