Here's how to turn on dark mode on your Firefox browser, no matter the device you're using. How to turn on Firefox dark mode on a Mac To turn on dark mode on a Mac, open System Preferences ...

A theme or color scheme plays a major role in customizing the Firefox browser or some other browser. By default, the Firefox browser provides a light color scheme, a dark color scheme, and a ...

Firefox supports a built-in dark mode theme to help PC users browse the web. Users can also download hundreds of themes that suit their preferences by visiting the official Firefox themes page.