Buttons don't work. All colors are missing at secure web sites
I'm outa my depth diagnosing this
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" => Never