This looks like you are using a compositing window manager. Does it look ok if you run openbox --replace or kwin --replace inside the session?
Uli
On Mon, Jul 8, 2019 at 9:36 PM Robert Kudyba <rkudyba@fordham.edu> wrote:
See below screen shot. Is there an option or setting to uncheck/remove so these black outline borders on applications do not display?