Hey there!

Please see the following websites for guidance:

https://support.mozilla.org/en-US/kb/fix-problems-images-not-show (if images can't show up)

https://support.mozilla.org/en-US/kb/websites-look-wrong-or-appear-differently (if website looks different)

https://support.mozilla.org/en-US/kb/websites-dont-load-troubleshoot-and-fix-errors (websites can't load)

Hope I helped!

Kind regards,

Bithiah

Hello Bithiah,

Thank you very much for your time and help but I’ve been through all of these suggestions and others on the trouble-shooting pages without any luck.

Kind regards, Geraint.

Please see images attached.

Hello,

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Thank you!

cor-el said

This could be a problem with High Contrast Mode on Mac. See "New" in the release notes.

• https://www.mozilla.org/en-US/firefox/91.0/releasenotes/

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.

• https://support.mozilla.org/en-US/kb/disable-high-contrast-mode-firefox

Thank you FredMcD,

But the problem has now been solved.

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.

Kind regards, Geraint.

Hello,

I am glad to hear that your problem has been resolved. If you haven't already, please select the answer that solves the problem. This will help other users with similar problems find the solution.

Thank you for contacting Mozilla Support.