BUG:fixing nav bar in blog page

[fa-code2]

Is there an existing issue for this?

• I have searched the existing issues

What happened?

nav bar is over lapping and also not visible .

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• I agree to follow this project's Code of Conduct
• I'm a GSSOC'24 contributor
• I want to work on this issue

[github-actions]

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[github-actions]

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[AsifQamar]

nice issue