fix: Issue#812 fixed. Navbar made uniform in the rate us page.

[ParnaRoyChowdhury777]

Title and Issue number

Title : Navbar in the rate us page fixed.

Issue No. : #812

Code Stack : HTML, CSS and JS

Close #812

Description

I have fixed the navbar in the rate us page such that it looks consistent with the index page as well.

Video/Screenshots (mandatory)

In the index page :

In the rate us page :

Type of PR

• [x] Bug fix

Checklist:

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

Additional context:

Are you contributing under any Open-source programme?

• [ ] I am contributing under GSSOC'24
• [ ] I am contributing under VSOC'24

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[ParnaRoyChowdhury777]

@apu52 please check the PR and tell me any changes needed.