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On the “Addons” page you will see a list of the extensions that you have installed or disabled. You could also use the Ctrl+Shift+A keyboard shortcut. Step 2: Click on the “Addons” menu entry. Step 1: In Firefox, go to the the top right corner and open the menu by clicking the hamburger menu. Enable dark mode in Mozilla Firefox web browser Mozilla recently added support for dark mode. More and more operating systems, applications and websites are adding support for the dark mode as people try to reduce eye strain.
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