Suggestion Rated 4 out of 5 stars

Could you add CSS Editor inside FireFox window? Like in WebDeveloper or maybe make collaboration with this extension (but it's more question to WD developers). And add button "Save without close" for this editor. "Preview" button not clear. Is it save editions or not? If yes, it should be "Apply" button.

This review is for a previous version of the add-on (