Board Thread:Support Requests - Designing Your Wiki/@comment-9605025-20170818035231/@comment-27958705-20170819080644

Andrewds1021:You are saying that the div with the "wikipedia-style-navbox-content" class is not actually empty? yep. there is some \n's. was. i removed it from the template. now it should be really empty.

note: visibility of that block maintained by mw-collapsible toggler. so it pointless to hide it by css.