FIREFOX 57+ NOT SUPPORT THIS ADDON. 28.10.17 Stop support Firefox vesrion. Thanks for support. I hope you find new way for make your bookmarks bar smart, roomy and friendly. You can use this code for your addons. Roomy Bookmarks Toolbar saves space on the bookmarks bar. All functional is available above. This addon can replace many another add-on.This addon NOT USE any kind of advertising and mone