Windows border focus color?

Is so hard to implement some color on an active window border. If I have blueprint and the material editor opened is so confusing…is like this windows 8 ■■■■. I change myself window_title.png color just to see whitch window is active but I need to see also some shadows. Is a stupidity to work with a AAA 3d software which has a stupid 2d interface with no 3d opened window shadows. Sorry