Board Thread:Support Requests - Designing Your Wiki/@comment-29644557-20190521020101

Hello,

So I just started up a new wiki, and I noticed that when I go into Classic Editor the sidebars/outlines are blue (first image). I would prefer them to be a dark grey or black (like the second image), but can't figure out how to do it without resetting the theme. Is there a way to change this?  