Upward ⬆️ and down arrow are to long in my opinion, yes, is lightning but there is no need that everything look like a lightning, maybe could be redesigned. the same goes for the SN at the top, looks too cheap IMO, bayne I'm wrong that is what make me feels.

The lighting when you up vote could be redesigned too, maybe just and small lightning on the post that you up voted.

That comes to my mind.