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light and dark theme

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How do I switch from light to dark mode? I've been using the same theme for a while now and up until the update it was defaulted in light mode but now it's in dark mode. How do I change my webpages to be defaulted in light mode?

How do I switch from light to dark mode? I've been using the same theme for a while now and up until the update it was defaulted in light mode but now it's in dark mode. How do I change my webpages to be defaulted in light mode?

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1. Type about:addons in the search bar 2. Select Themes in the left sidebar 3. Choose Enable under Light

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See this answer for a comprehensive treatment of the issue. https://support.mozilla.org/en-US/questions/1364418#answer-1474290