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web pages no longer display properly

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Version 91.0.1 - Since the upgrade 90% of my web pages do not format correctly. Text is now displayed in white panels in the middle of what was once a block of text. Modifyable fields are no longer out lined in a text box. I am not sure what version I upgraded from, but it was the version before this one. I have a MacBook Pro/OS version 11.2.3. Any ideas?

How can I go back to the previous version? I really do not like these changes.

Version 91.0.1 - Since the upgrade 90% of my web pages do not format correctly. Text is now displayed in white panels in the middle of what was once a block of text. Modifyable fields are no longer out lined in a text box. I am not sure what version I upgraded from, but it was the version before this one. I have a MacBook Pro/OS version 11.2.3. Any ideas? How can I go back to the previous version? I really do not like these changes.
Screen ƒe photowo kpe ɖe eŋu

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This could be a problem with High Contrast Mode on Mac.

See "New" in the release notes.

Firefox now automatically enables High Contrast Mode when "Increase Contrast" is checked on MacOS in the Accessibility settings.


Make sure you allow pages to choose their own colors.

  • Settings -> General: Fonts & Colors -> Colors: "Override the colors specified by the page with my selections above"

Try "Never" if the default "Only with High Contrast themes" isn't working.