Improve CSS Styling for ALX Student's Contribution Page

[festus-sulumeti]

The current CSS styling for the ALX Student's Contribution page needs enhancements to improve its visual appeal and responsiveness. The objective is to refine the header, navigation, and main content sections to ensure a more professional and user-friendly experience.

Tasks:

1. Update the header styling to make it more modern and visually appealing.
2. Improve the navigation bar's styling and interaction effects.
3. Enhance the main content sections for better readability and aesthetics.
4. Ensure the page is fully responsive across different screen sizes.

Acceptance Criteria:

• The header should have a modern look with improved font and color choices.
• The navigation bar should have smooth interaction effects on hover.
• The main content sections should be well-organized with improved readability.
• The page should be responsive and maintain its aesthetics on various devices.