I think the white corners of user privilege status icons should be made transparent if possible so that they look good on best-answer posts like this one.
Topic on User talk:Nicereddy
Also choice of black font color for series table titles on Series wiki pages makes for very low contrast with the background IMO.
Thank you for the suggestion, I'll look into it. I'm not the one who designed them, so I'm not sure how exactly we did that.