title: eclipse-mars on linux: black background color in Tooltip's
body: <p>I know there are several tips for changing the background color of tooltip windows in eclipse under linux (these windows have on some linux distribution per default a black background ...). Some of the things I have tried are:</p>
  
  <p><a href="https://askubuntu.com/questions/70599/how-to-change-tooltip-background-color-in-unity">https://askubuntu.com/questions/70599/how-to-change-tooltip-background-color-in-unity</a>
  <a href="https://askubuntu.com/questions/1620/how-to-fix-unreadable-tooltips-in-eclipse-helios">https://askubuntu.com/questions/1620/how-to-fix-unreadable-tooltips-in-eclipse-helios</a>
  <a href="https://askubuntu.com/questions/35491/how-to-change-tooltips-background-color-in-xfce">https://askubuntu.com/questions/35491/how-to-change-tooltips-background-color-in-xfce</a></p>
  
  <p>I have tried that successfully with eclipse luna. But it seems nothing of that will work together with eclipse mars.</p>
  
  <p>Anybody knows how can I change the background color of tooltips in eclipse mars under linux?</p>
  
  <p><strong>EDIT (2016-Apr-06)</strong></p>
  
  <p>Ok. Found out several things in last months. In eclipse Mars the developer switches on Linux from GTK2 to GTK3 . So there was several things changed in Mars. As I had written my question above I had work on XFCE. Now I have switched to KDE. On KDE I can change the tooltip background color like it was described in the comment of "omid" below. But also KDE has several problems with eclipse Mars. To solve this see also my other question/answer her:</p>
  
  <p><a href="https://stackoverflow.com/a/35897315/1465758">https://stackoverflow.com/a/35897315/1465758</a></p>
  
  <p>But I have found no way to change the Tooltip background color on XFCE. May be the same on Gnome (not tested by me)...</p>