Some time ago, it might have been close in time to when I upgraded to version 26, the theming was changed to some kind of green. I managed to change it back in the settings to, what I belive is, the default blue. Though, at least three of the favicons are still green as in the images below:
The other favicons are blue. E.g.:
Anyone with an idea on how to change them back to default?
OS: openSuse Leap 15.4