BUG: Dark/light mode is not working in home page

[nisargaa20]

Is there an existing issue for this?

• [X] I have searched the existing issues

What happened?

light mode theme color is not changing

Record

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

[github-actions[bot]]

Congratulations, @nisargaa20! 🎉 Thank you for creating your issue. Your contribution is greatly appreciated and we look forward to working with you to resolve the issue. Keep up the great work!

We will promptly review your changes and offer feedback. Keep up the excellent work! Kindly remember to check our contributing guidelines

[143divya]

Can you please assign this issue to me under Gssoc'24? I want to work on this.