override chrome://firebug-os/skin/firebug.css jar:../../chrome/firebug.jar!/skin/classic/mac/firebug.css
override chrome://firebug-os/skin/panel.css jar:../../chrome/firebug.jar!/skin/classic/mac/panel.css
override chrome://firebug-os/skin/window.css jar:../../chrome/firebug.jar!/skin/classic/mac/window.css