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JowWow CSS Loader allows you to add a language and template aware, custom stylesheet ( with relative or static pathing ), to your Joomla installation without hacking the core. – README

README

LTR / RTL individual file selection dropped.
ability to have custom folder, single file from default template added.
changed to default Joomla pathing and testing.
Updated to work with J! 3.2
removed link to github
basically a complete rewrite