Thread:Yapby/@comment-25055890-20161011231011/@comment-31952814-20161011234236

on Mediawiki:Wikia.css

/* IMPORT FONT AWESOME STYLE */ @import url("//maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css");

you gotta copy that code in to your wiki's Wikia.css.