The userChrome.css and userContent.css files works like an options\configurations file.
COLORFUL TABS FIREFOX 57 HOW TO
\Users\ USERNAME \Library\Application\Support\Firefox\Profiles\ How to use custom user styles? ~\Library\Application Support\Mozilla\Firefox\Profiles\ PROFILE FOLDER NAME \ ~\Library\Mozilla\Firefox\Profiles\ PROFILE FOLDER NAME \ or
![colorful tabs firefox 57 colorful tabs firefox 57](https://venturebeat.com/wp-content/uploads/2020/08/firefox-android-daylight.jpg)
home/ username /.mozilla/firefox/ profile folder name / Alternatively open %APPDATA%\Mozilla\Firefox\Profiles\ from explorers location bar. Hidden files must be visible to see AppData folder. (Optional) Profile folders location on drive:Ĭ:\Users\ USERNAME \AppData\Roaming\Mozilla\Firefox\Profiles\ PROFILE FOLDER NAME \ Copy userChrome.css, userContent.css and \config\, \css\, \image\ folders into \chrome\ folder. Or about:profiles > Root Directory > Open FolderĢ. Find your profile folder ('profile names are different for everyone').Ībout:support > Profile Folder > Open Folder
![colorful tabs firefox 57 colorful tabs firefox 57](https://accessfirefox.org/Extensions_SS/Colorful_Tabs/ColorfulTabs_Options_2.png)
Where to find Firefox profile folder? The correct location for user styles.ġ. It only can modify already present ui items. Keep in mind CSS code can not create entirely new items, buttons or toolbars.
![colorful tabs firefox 57 colorful tabs firefox 57](https://user-images.githubusercontent.com/6013569/30324380-23717e6e-97c1-11e7-8f9c-3ea74143d3dc.png)
The only way to modify ui is adding custom CSS code to userChrome.css and userContent.css files inside browsers profile folder.