Board Thread:Support Requests - Designing Your Wiki/@comment-44590628-20200531030806/@comment-45853250-20200618221851

For specific infoboxes? You simply give an infobox a type or theme, such as, and put something like this in Wikia.css, depending on the type you gave the infobox:

Doing it for different themes is pretty much the same thing, except you state theme instead of type.