Inheriting portal CSS with JSF portlets (WebSphere Portal Server)

Hello.

I've got some JSF portlets developed in WebSphere and I'd like them to use the stylesheets of the portal itself.

I'm not sure how to do this though, as, although they can seemingly some of the stylesheets - I can replace the "TabbedPanel" portlet CSS class with the "Launch" portal CSS class and it shows up, though as a flood - I can't simply cut the CSS code out of the TabbedPanel.css file and paste it into my theme-style CSS; it won't find it and tabs won't render.

* Note, some of the names might be a bit off, I don't have access to the folders at the moment.
* I'm not sure if this goes in the JSF forum or this one, so I'm posting in both.

Please do not cross-post the same question in multiple forums. It wastes people's time when multiple redundant conversations take place.

Choose one forum that you feel best adresses your issue.