Go to about:config and change the following settings to allow different themes for different instances:
services.sync.addons.ignoreUserEnabledChanges = trueservices.sync.prefs.sync.extensions.activeThemeID
= false.
Favorite Themes
- Dark Blue (like old Netscape headers and dark pages
- Developer Edition
Desktop files (for Linux .local/share/applications)
#!/usr/bin/env xdg-open [Desktop Entry] Name=Firefox Icon=/home/munky/Bin/firefox/stable/browser/chrome/icons/default/default64.png Exec=/home/munky/Bin/firefox/stable/firefox Categories=Network;WebBrowser Type=Application Encoding=UTF-8 Terminal=false Version=1.0 StartupWMClass=Firefox #!/usr/bin/env xdg-open [Desktop Entry] Name=Firefox Developer Icon=/home/munky/Bin/firefox/developer/browser/chrome/icons/default/default64.png Exec=/home/munky/Bin/firefox/developer/firefox Categories=Network;WebBrowser Type=Application Encoding=UTF-8 Terminal=false Version=1.0 StartupWMClass=Firefox Developer Edition