skin	treestyletab-platform	classic/1.0	jar:chrome/treestyletab.jar!/skin/classic/treestyletab/

style chrome://browser/content/browser.xul chrome://treestyletab-platform/skin/treestyletab-3.5.css appversion>=3.5

override chrome://treestyletab-platform/skin/metal/treestyletab-inactive.css	chrome://treestyletab-platform/skin/metal/treestyletab-inactive-3.0.css
override chrome://treestyletab-platform/skin/metal/treestyletab-inactive.css	chrome://treestyletab-platform/skin/metal/treestyletab-inactive-4.css	appversion>=4.0b5pre