Recent answers to How to downgrade Firefox only theme?https://support.mozilla.org/km/questions/13348202021-06-04T14:06:35-07:00If this latest theme is not changed back to its original - goodbye Firefox
2021-06-04T14:06:35-07:00enkhartahttps://support.mozilla.org/km/questions/1334820#answer-1417971<p>If this latest theme is not changed back to its original - goodbye Firefox
</p>cor-el сказал(а)
Note that some support for the Compact theme is still present in Firefox 89/90, but2021-05-06T22:07:52-07:00DarkDuinohttps://support.mozilla.org/km/questions/1334820#answer-1411294<em><p>cor-el <a href="#answer-1410199" rel="nofollow">сказал(а)</a></p></em>
<blockquote>Note that some support for the Compact theme is still present in Firefox 89/90, but showing it in the user interface (customize mode) is behind prefs.
<ul><li> browser.uidensity: 0:normal|*, 1:compact, 2:touch
</li><li> browser.compactmode.show
</li></ul>
</blockquote>
<p>Thanks, but it doesn't downgrades, just makes a little bit smaller this panel
</p>jscher2000 сказал(а)
Do you mean Firefox Beta / Developer Edition, which have the new Proton UI desi2021-05-06T22:05:44-07:00DarkDuinohttps://support.mozilla.org/km/questions/1334820#answer-1411293<em><p>jscher2000 <a href="#answer-1410153" rel="nofollow">сказал(а)</a></p></em>
<blockquote>Do you mean Firefox Beta / Developer Edition, which have the new Proton UI design?
The details are still in development, but I don't think there will be a built-in option to change things more than a little bit (similar to the limited modifications in the Firefox 57-88 Photon UI design). You may need to delve into the world of the optional userChrome.css file. Many people are experimenting with different rulesets to re-theme the new UI over on <a href="https://www.reddit.com/r/FirefoxCSS/" rel="nofollow">https://www.reddit.com/r/FirefoxCSS/</a>.
</blockquote>
<p>Nope, I have no time to learn new rulesets to get just old version of the theme (: I think there is a lot of people, how would like to see old theme, therefore could you make it possible to downgrade only theme?
</p>Note that some support for the Compact theme is still present in Firefox 89/90, but showing it in th2021-05-02T04:36:09-07:00cor-elhttps://support.mozilla.org/km/questions/1334820#answer-1410199<p>Note that some support for the Compact theme is still present in Firefox 89/90, but showing it in the user interface (customize mode) is behind prefs.
</p>
<ul><li> browser.uidensity: 0:normal|*, 1:compact, 2:touch
</li><li> browser.compactmode.show
</li></ul>Do you mean Firefox Beta / Developer Edition, which have the new Proton UI design?
The details are s2021-05-02T01:48:41-07:00jscher2000https://support.mozilla.org/km/questions/1334820#answer-1410153<p>Do you mean Firefox Beta / Developer Edition, which have the new Proton UI design?
</p><p>The details are still in development, but I don't think there will be a built-in option to change things more than a little bit (similar to the limited modifications in the Firefox 57-88 Photon UI design). You may need to delve into the world of the optional userChrome.css file. Many people are experimenting with different rulesets to re-theme the new UI over on <a href="https://www.reddit.com/r/FirefoxCSS/" rel="nofollow">https://www.reddit.com/r/FirefoxCSS/</a>.
</p>