[UI/UX] Fix Responsiveness Inconsistencies on "Contributor Spotlight" Page

[Rishu-Soni]

Description:
Currently, the "Contributor Spotlight" page lacks consistent responsiveness across varying screen sizes, leading to broken layouts and a degraded user experience on various devices.

Current Behavior (Before):

Next Steps:
As an aspiring GSoC contributor specifically interested in the project surrounding this page, I would love to tackle this. I can immediately open a PR with the initial section fix and continue working on the rest of the page.

[Rishu-Soni]

I have implemented the fix. Upon your review and approval of this baseline, I am ready to rapidly apply these responsive standards to the remaining sections of the page.

After the fix: