Download theme here.
- 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.
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).
- Go to
about:supportin Firefox. - Application Basics > Profile Directory >
Open Directory. - Remove a
chromedirectory or remove files inside.
