Board Thread:Support Requests - Designing Your Wiki/@comment-1181431-20170901041537/@comment-168424-20170901181924

Have you looked at the wiki's MediaWiki:Wikia.css? It already has changes in it and seems to be trying to use Helvetica and change the font size.

The default fonts available are often OS dependent. Only iOS devices and Macs usually have Helvetica built-in.