Improve Mobile UI

[jc2409]

Please enhance the mobile UI/UX while keeping the desktop layout untouched. To contribute:

1. Create a branch or fork off Arm-Developer-Labs-Staging.

2. Describe your mobile-specific UI/UX improvements in your PR, including:

   • Screenshots showcasing your changes on the mobile interface.
   • A brief summary of what you updated and how it boosts the site’s usability and design quality.

[PATTASWAMY-VISHWAK-YASASHREE]

@jc2409 please review the pr i have raised to this issue, please check it out. Thank you