Thread:Killer kev/@comment-23989026-20180109210249

Your navbox is CSS so the theme would be by placing  in your navbox. But looking at your navbox, it is complex for multi-columns and already using class so do not know where to place this class. Looking at your navbox list they are single column (list1) so not necessary to use a complex navbox.

So I used the default navbox design that you might consider as an alternative. I have created a sandbox page to display >> Riverdale Wiki/Sandbox

I do not know how to add  so is missing 