This is about the little Pop-Ups that appear when hovering over a toolbar icon, e.g., the Home page.
The background colour used to be dark blue, but now it is white and makes reading the information difficult. See the screen print (below). The same problem occurs here too.
'''The background colour used to be dark blue, but now it is white and makes reading the information difficult. See the screen print (below). The same problem occurs here too. '''