User blog comment:Rupert Giles/Prototype for a new article layout/@comment-6532857-20150218025057/@comment-24416108-20150220235215

If I were you, I'd wait and hope for Wikia to come up with a working edition of the skin - current is still a prototype, even though it's been silent on the subject. Otherwise, try forcing table borders.

http://www.w3schools.com/css/css_table.asp

Might be something close to what you're looking for.