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Best extension
Any new extension similar to the old "smartest bookmark tab" extension to replace this best site organizer tab? http://www.technogadge.com/firefox-add-on-smartest-bookmarks-bar
Alle svar (1)
Hi Renato, currently Firefox extensions do not have permission to modify toolbars (other than to add their own button and right-click context menu items).
In order to restyle the bar, for example, hiding the text so that only the icon shows, you need to apply style rules using a userChrome.css file. I have a general site about this optional file here: https://www.userchrome.org/
Since each person has their own taste, I can't tell you off the top of my head what to put in the file, but if you describe your desired layout in a little more detail, a community member here may be able to help. Otherwise, check out this subreddit: https://www.reddit.com/r/FirefoxCSS/