WI
witalihirsch/Mono-firefox-theme
Mono Firefox Theme for Linux
Mono Theme for Firefox
Support
Mono Project Preview
Mono Theme for Firefox
Download
Download theme here.
Installing
- Go to
about:supportin Firefox. - Application Basics > Profile Directory >
Open Directory. - Create a
chromedirectory if it doesn't exist or remove/move all files inchromedirectory if they exist. - Put
mono-firefox-theme,userChrome.css,userContent.cssinchromefolder. - Set
toolkit.legacyUserProfileCustomizations.stylesheetsandsvg.context-properties.content.enabledinabout:configtotrue. - Restart Firefox.
Using
To switching the light or dark theme use Night Theme Switcher (choose the MonoTheme for day and MonoThemeDark for night variant in the Themes tab and change the theme color by switching style in Settings > Appearance).
Uninstalling
- Go to
about:supportin Firefox. - Application Basics > Profile Directory >
Open Directory. - Remove a
chromedirectory or remove files inside.
On this page
Languages
CSS100.0%
GNU General Public License v3.0
Created November 3, 2022
Updated January 25, 2026
