Why still black background? I picked light for layout.css.prefers-color-scheme.content-override + ui.systemUsesDarkTheme
You can see below my choices for - `1` for light, in `layout.css.prefers-color-scheme.content-override` - `0` for light, in `ui.systemUsesDarkTheme`. - "Light" website appearance AND theme().
But why some websites still darken and blacken background ? Examples are https://superuser.com, https://softwarerecs.stackexchange.com.
This mishap DOESN'T happen in Troubleshoot Mode. But I don't have the Dark Reader extension.
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This could be caused by an extension like Dark Reader or userContent.css. Does it still happen in Troubleshoot Mode?
No, this mishap DOESN'T happen in Troubleshoot Mode. But I don't have Dark Reader, or any similar extension.
Why would my userContent.css cause this mishap? Since installing Firefox, I've never opened — let alone edited — userContent.css. How do I redress this mishap?
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Disable all your extensions and make sure toolkit.legacyUserProfileCustomizations.stylesheets is default false in about:config then restart the browser.