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All web pages have white background and look abnormal after new update

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Ever since updating my firefox, all the webpages seem to be glitched and have all white backgrounds and blue texts where there should be none. Also white bars appear on certain menus. I have put on troubleshoot mode and it is still the same. Please look at the pictures to see. Even this mozilla site looks off and is all white with missing details.

Ever since updating my firefox, all the webpages seem to be glitched and have all white backgrounds and blue texts where there should be none. Also white bars appear on certain menus. I have put on troubleshoot mode and it is still the same. Please look at the pictures to see. Even this mozilla site looks off and is all white with missing details.
Attached screenshots

Chosen solution

Hi camilonator3000, Firefox 91 now automatically enables High Contrast Mode when "Increase Contrast" is checked on MacOS. (release notes).

Is it possible you have that setting?

If so, please try one or both of these two options:

(1) Turn off the system-level setting. This appears to be the most effective workaround.

(2) Disable High Contrast mode in Firefox. See: Disable high contrast mode in Firefox.

For both changes, you might need to Quit Firefox and start it up again to see the normal display.

Any difference?

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All Replies (2)

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Chosen Solution

Hi camilonator3000, Firefox 91 now automatically enables High Contrast Mode when "Increase Contrast" is checked on MacOS. (release notes).

Is it possible you have that setting?

If so, please try one or both of these two options:

(1) Turn off the system-level setting. This appears to be the most effective workaround.

(2) Disable High Contrast mode in Firefox. See: Disable high contrast mode in Firefox.

For both changes, you might need to Quit Firefox and start it up again to see the normal display.

Any difference?

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Thank you! It was the high contrast mode! I set it to never and that did the trick!