pop-up color schemes

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http://forums.fedoraforum.org – Just upgraded from F17 to 18 last week. Works great except the Cinnamon desktop settings all got weird. When I use Eclipse, the pop-ups that provide information on methods, variables, etc, went from the same color and font as the rest of Eclipse to a black background with white text and a very difficult to read blue for links. This is the same for Firefox and several other apps. Changing color schemes in Eclipse or Firefox doesn't help and changing Cinnamon's theme doesn't seem to help. Where else should I be looking for places that set color schemes in Cinnamon? (HowTos)