UI enhancement for "Personalized Recommendation" section

[Mrunali01]

The text in current version is not read-able and the color-scheme does not match to the overall theme of the website.
I will change the font colors and make the container more attractive. Add background images to the containers.

Please assign this issue to me under the label gssoc-extd @PriyaGhosal

[github-actions]

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[github-actions]

Hello @Mrunali01! Your issue #1624 has been closed. Thank you for your contribution!