Description from extension meta
Customize Facebook with a set of predefined settings
Image from store
Description from store
Change default Facebook look with any combination of the predefined settings.
Hiding various bars, notifications, messages and more! Remove elements that bother you or you simply don't like the look of them.
Need was the mother of this extension - installing an extension and simply checking wanted toggles is way easier than editing browser custom CSS's every time you want to make persistent stylesheet for a website - in this case Facebook.
Feedback highly appreciated, ideas or requests for any features will be taken into account and maybe implemented in the near future.