Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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

black bar on top of screen

more options

I just did a refresh of Firefox and the top horizontal bar of the screen is now black. How can the original colour be restored?

I just did a refresh of Firefox and the top horizontal bar of the screen is now black. How can the original colour be restored?

All Replies (1)

more options

This is done by using the built-in themes in Firefox. You've probably just been changed to the dark mode.

You can also use themes that you download online.

Hope this helps.