This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

How to inspect browser's XUL?

  • Kòsí àwọn èsì
  • 0 ní àwọn ìṣòro yìí
GrayFace
GrayFace
more options

I need to inspect browser's UI (tabs bar etc.) to make userChrome.css, but there's no up-to-date info about doing it in current FF to be found anywhere.

I need to inspect browser's UI (tabs bar etc.) to make userChrome.css, but there's no up-to-date info about doing it in current FF to be found anywhere.

You must log in to your account to reply to posts. Please start a new question, if you do not have an account yet.