navbar fixed

[RohithChitrada]

Title : Fixed Navbar vertical expansion issue and navbar element hover when it is in particular section

Issue No. :#543

Code Stack : HTML, CSS

Close #543
Close #<issue_no>

Video/Screenshots (mandatory)

543.mp4

Type of PR

• Bug fix
• Feature enhancement
• Documentation update
• Other (specify): _______________

Checklist:

• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have tested the changes thoroughly before submitting this pull request.
• I have provided relevant issue numbers, screenshots, and videos after making the changes.
• I have gone through the contributing.md file before contributing

Additional context:

##Are you contributing under any Open-source programme?

GSSOC'24

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[apu52]

@RohithChitrada this PR has conflicts .please try to resolve those conflicts

[RohithChitrada]

Try to merge it know. I think i solved the merge conflicts.

[apu52]

@RohithChitrada good work