body { font-family: Arial, sans-serif; margin: 20px; } header { text-align: center; background-color: #4CAF50; color: white; padding: 10px; } main { margin-top: 20px; } section { margin-bottom: 20px; } h2 { color: #4CAF50; } p { line-height: 1.5; } footer { text-align: center; margin-top: 20px; padd…