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Reset Firefox dark mode source code?

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I'm not very computer savvy but I followed a website a few months ago to edit Firefox so it'd default to dark mode. I think I went in and edited source code? I can't find the instructions anymore but I'd like to revert back to the original setting. How do I do that? I tried to refresh Firefox but it's still coming back with some websites in dark mode and some not. Please advise!

I'm not very computer savvy but I followed a website a few months ago to edit Firefox so it'd default to dark mode. I think I went in and edited source code? I can't find the instructions anymore but I'd like to revert back to the original setting. How do I do that? I tried to refresh Firefox but it's still coming back with some websites in dark mode and some not. Please advise!

Isisombululo esikhethiwe

Helen Chao said

I tried to refresh Firefox but it's still coming back with some websites in dark mode and some not.

If your system theme is dark then this will be picked up by websites, you can avoid this by changing the website appearance setting to "Light".

Funda le mpendulo ngokuhambisana nalesi sihloko 👍 0

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If you edited the source code, you will have to remove that version from your system completely and reinstall.

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How do I do that?

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You can create a new profile as a quick test to see if your current profile is causing the problem.

See "Creating a profile":

If the new profile works, you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.

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Isisombululo Esikhethiwe

Helen Chao said

I tried to refresh Firefox but it's still coming back with some websites in dark mode and some not.

If your system theme is dark then this will be picked up by websites, you can avoid this by changing the website appearance setting to "Light".