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!

ابحث في الدعم

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

Firefox UI looks different again, how do I fix it this time?

more options

Firefox's user interface changed again. I like the old, blocky visuals. How do I get them back?

I've already tried about:config>browser.proton.enabled

Firefox's user interface changed again. I like the old, blocky visuals. How do I get them back? I've already tried about:config>browser.proton.enabled
Attached screenshots

All Replies (4)

more options

Hi Andrew

That preference setting was only left in for testing purposes and has now been removed from Firefox.

more options

I need to know how to get the UI back to the blocky version.

more options

I don't know what you mean by blocky version. To change the UI you need css: https://support.mozilla.org/en-US/questions/1346582#answer-1434487

more options

After learning the terms for the UI's, I would like to specify that I would like to revert my browser back to the "Photon" appearance.