The filename should be userChrome.css on your computer.
Select userChrome.css first to display it on GitHub, then the RAW button to display it, and right-click on the page and use Save As to download it. Once done, download the two CSS files from the project's Github repository.
While it is possible to restore it, most users won't because it requires editing a configuration preference that cannot be discovered accidentally.įirefox users who want a design that is more compact may use the linked guide above to enable the compact density option in the browser to start using it. The Compact density option won't be displayed anymore on the "customize" page of the browser if it has not been used in the past. Proton will remove some options from Firefox, or hide them. One common denominator is that everything will be a big larger in the new interface. Mozilla wants to modernize the user interface of the Firefox web browser with Proton.įirefox 89 ships with address bar, toolbar, tab and menu changes. A new interface design, called Proton, will launch in Firefox 89, scheduled for a release on June 1, 2021.