Firefox Modifications

Just as a quick note for myself...

Getting rid of the Firefox Tabbar when using TreeStyleTab

  1. in your profile folder create a folder chrome, in there create a file userChrome.css
    /* hides the native tabs */
    #TabsToolbar {
    visibility: collapse;
  2. open about:config, set toolkit.legacyUserProfileCustomizations.stylesheets to true
  3. restart Firefox

Have to test it on macOS, Linux and Windows works fine, also LibreFox

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