Chunk4x:Help screen column header Header Class From Joomla! Documentation Revision as of 23:24, 7 September 2020 by FuzzyBot (talk | contribs) (Updating to match new version of source page)(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) Other languages:English Nederlands español Header Class. Here you can add optional CSS classes to add to the modules header or title element.