Firefox by default uses a default theme that take colors from the color accent currently set on your personalization options on Windows 10. However, the web browser from Mozilla includes an additional light and dark themes that brings the same Microsoft Edge look and feel.
If you want to switch the current Firefox theme, it’s a pretty easy task. You just need to know where to look.
In this guide, you’ll learn the steps to switch to the light or dark theme on Firefox on Windows 10, but of course, these steps also work in other platforms.
How to change themes on Firefox
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Open Firefox.
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Right-click the main menu button on the top-right.
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Select the Customize option.
Firefox Quantum main menu -
At the bottom of the page, click the Themes drop-down menu, and select Light or Dark depending on the theme you want to use.
Firefox theme settings -
Click the Done button.
Alongside the light and dark theme, remember that you can also apply other custom-designed themes.
Mauro Huculak is a Windows How-To Expert who started Pureinfotech in 2010 as an independent online publication. He has also been a Windows Central contributor for nearly a decade. Mauro has over 15 years of experience writing comprehensive guides and creating professional videos about Windows and software, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 21 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and About.me. Email him at [email protected].