Make colored boxes around profile picture, the persons banner, when in full a full screen call

Make the square behind a users profile picture in full screen voice chat, their banner, it would be nice if this also included GIFs, i think this would look cool, and it would give the full screen voice chat more life alongside live GIF pfps, also it would be optional, heres what i mean:

(now, green edges because my tile is black)

(what it would look like)