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How do I change the black colour of Firefox and add-ons' menus, dropdowns to white?

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  • Last reply by cor-el

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Using online recommendations I was able to force the general theme to white, however individual segments of the FF UI still retain black (see the images). I want to whiten them too. I saw a heap of color related settings in about:config. I set one of them, layout.css.prefers-color-scheme.content-override, to 1 but that had no effect on the appearance of the said elements.

Using online recommendations I was able to force the general theme to white, however individual segments of the FF UI still retain black (see the images). I want to whiten them too. I saw a heap of color related settings in about:config. I set one of them, ''layout.css.prefers-color-scheme.content-override'', to 1 but that had no effect on the appearance of the said elements.
Attached screenshots

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You can look at a theme that has dark text on the tabs (toolbars) if you currently use a theme with light text to prevent Firefox from using a dark background.

You can check the Website Appearance setting.

  • Settings -> General -> Language and Appearance -> Website Appearance