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Not active white titlebar

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Hello,

I activated dark theme in Firefox but when I using application on another monitor title bar color change to white.

Hello, I activated dark theme in Firefox but when I using application on another monitor title bar color change to white.

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Here is screen

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Hmm, I only have one monitor so I am not able to replicate this behavior (it stays dark in the background). I wasn't able to find other threads on this is a quick search, but possibly someone has posted a workaround (or knows if it will be fixed in Firefox 65).