Add hover effect to footer icons

[ananya]

Add hover effect similar to that of cards to icons in footer.

[opencodebot]

Thanks for opening this issue!

[anupm12]

@opencodebot claim

[opencodebot]

This issue is assigned to @anupm12.

[anupm12]

@ananya-agrawal Do you want that spinning effect that card has, on the footer icon?

[ananya]

yeah add that effect where the icons are getting bold and black