The default System theme will be enabled.

If the Enabled theme is an optional or added theme, it will have a Disable option.Click the menu button, click Add-ons and Themes and select Themes.Other available themes will be listed beneath, under Disabled Saved Themes.The theme being used will be shown at the top, under Enabled.Now click the Remove button next to the theme. To install a theme from, click on the theme and select the + Install Theme button on the resulting page.įirefox will download the requested theme and may notify you that it has been installed.Ĭlick the menu button, click Add-ons and Themes and select Themes. Then, in the add-ons screen, click the Appearance link to go to the themes screen.Click on the theme's author to see more information about it.Scroll through the suggested themes or visit to browse more themes.Click the menu button, click Add-ons and Themes and select Recommendations or Themes.See Built-in themes in Firefox - alternative to complete themes. Note: All themes are lightweight (background) themes.

How to customize mozilla firefox themes