resolved navbar issue

[Tanishq1604]

Related Issue

Closes: #1659

Description

there was the issue in the navbar , the element in the page was overlapping with the navbar i have fixed it (fixes #1659 ) and some people opened 2 issue of same problem so to close that also (fixes #1660)

Video

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Checklist

• [x] My code adheres to the established style guidelines of the project.
• [ ] I have included comments in areas that may be difficult to understand.
• [x] My changes have not introduced any new warnings.
• [x] I have conducted a self-review of my code. There was no need to add comments in this just changed the z -index over the page and made it right