Built-in themes in Firefox - alternative to complete themes

Complete themes have been replaced by built-in themes with lighter and darker color schemes.

You can enable one of these built-in themes by following these steps:

  1. Click the menu button Fx57menu , click Fx57Addons-icon Add-ons and select Themes.
  2. Click the ellipsis (3-dot) icon next to the desired theme and click Enable.
    Fx68EnableDarkTheme
  1. Click the menu button Fx57menu , click Fx57Addons-icon Add-ons and select Themes.
  2. Click Enable next to the desired theme.
    fx72 enable themes

Additionally, thousands of lightweight themes are available from addons.mozilla.org. For more information, see Use themes to change the look of Firefox.

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