User blog comment:Rupert Giles/Layout Changes: Breakpoints and Typography/@comment-13918697-20150522235249/@comment-1038387-20150526094327

Well, they answered that question: "Has Wikia implemented a change in font & size and it's now conflicting with my wiki's?"

Yes, and sent you a link to it.

How is it conflicting? Does it break anything or is it simply "preferred"?