howto: web - browsers - firefox rev 22 feb 2019 > editing bookmarks | styling | ....................................................... editing bookmarks ok to do simple edits in the bookmarks file itself, but be careful -- tried to delete a separator and deleted a whole big folder. so - better to go to bookamrks editor. Bookmarks > Show All Bookmarks > Organize > Undo (ctrl-Z) Only works if you haven't closed Firefox. If it didn't work then you can restore the bookmarks from a JSON backup https://support.mozilla.org/en-US/questions/1009770 ....................................................... changing browser styling. userChrome.css in chrome folder, in profile folder for me: ~/.mozilla/firefox/t9sriikf.default/chrome/ if it's not there, you can make it. Firefox will learn about it the next time you exit out of Firefox and start it up again. Whenever you edit you have to restart Firefox Can use debugger - browser toolbox (need to enable it). . . . . . . . . . . . make userchrome.css: https://www.userchrome.org/how-create-userchrome-css.html https://www.howtogeek.com/334716/how-to-customize-firefoxs-user-interface-with-userchrome.css/ https://www.userchrome.org/adding-style-recipes-userchrome-css.html . . . . . . . . . . . debug with browser toolbox (need to enable it): https://developer.mozilla.org/en-US/docs/Tools/Browser_Toolbox https://www.reddit.com/r/FirefoxCSS/comments/73dvty/tutorial_how_to_create_and_livedebug_userchromecss/ . . . . . . . . . . . recipes and tools: https://www.userchrome.org/help-with-userchrome-css.html . . . . . . . . . . . make bookmark separators clearer: https://support.mozilla.org/en-US/questions/1227937 ....................................................... bookmarks: https://wiki.mozilla.org/Firefox/Feature_Brainstorming:Bookmarks _______________________________________________________ begin 22 feb 2019 -- 0 --