How to customize the new private tab? (i.e. the "about:privatebrowsing" page)
The purple page that is displayed for new tabs in a private window is not affected by themes and/or extensions, nor can it be changed in settings. I am resourcing to this community in hope to find a direction on how can I customize the aforementioned page even if just its colors. Thank you for taking the time to read question.
All Replies (2)
You can possibly use code in userContent.css to change the background.
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@-moz-document url(about:privatebrowsing) {
/* style rules for the about:privatebrowsing page */
}DISCLAIMER: modifications made through a userChrome.css or userContent.css file can stop working as Firefox evolves in new releases, and can "break" the interface in serious ways.
Modified by cor-el
WARNING: This script is not provided by Mozilla and is not officially supported Creating a userChrome.css file and other ways of customizing Firefox that are not exposed in the interface are there for developers, not end-users. If it were intended for end-users, you would see a menu option or checkbox; you wouldn't have to hack a text file in a hidden location.
What this means is that even though the functionality you want is no longer supported, a third-party has found a way to do it using the CSS file. If it breaks in new versions, you will need to contact the person who provided the script.