Board Thread:Support Requests - Designing Your Wikia/@comment-4723271-20160920133935/@comment-26843745-20160920141731

You would have to use CSS to change it: Replace  with desired colors. ^^ If you would like further customization of tabbers appearance, you may have a look at Styling section at Help:Tabber.
 * Background color of unselected tab:
 * Background color of unselected tab being hovered:
 * Background color of selected tab: