This happens often to me when, for example, adding a bookmark in Epiphany.
Strangely the screenshot shows one of the buttons not coloured blue, and another only partially coloured blue, but when I took the screenshot, all four buttons were completely blue.
This happens often to me when, for example, adding a bookmark in Epiphany.
Strangely the screenshot shows one of the buttons not coloured blue, and another only partially coloured blue, but when I took the screenshot, all four buttons were completely blue.