body { font-family: Arial, sans-serif; line-height: 1.6; margin: 0; padding: 0; background-color: #f4f4f4; } .container { width: 80%; margin: auto; overflow: hidden; } header { background: #fff; color: #fff; padding: 20px 0; text-align: center; } header h1 { margin: 0; font-size: 24px; } .main-conte…