[Gssoc'23] Fixed the navbar issue

[kanishkasah20]

Description

changes made in navbar [ fixed the navbar position and now signup button is visible to the navbar.] PR de58017b3c4dd92ef4c539e2c59fda0681565e13

Screenshots

Before:

After:

Checklist

• [Yes ] Tests have been added or updated to cover the changes
• [ YEs] Documentation has been updated to reflect the changes
• [ Yes] Code follows the established coding style guidelines
• [ Yes] All tests are passing

[kanishkasah20]

Please review it sir @aniketsinha2002