/**
* Installs the UI.
*
* @param c
*/
@Override
public void installUI(JComponent c) {
super.installUI(c);
c.setOpaque(false);
// BasicBorders$SplitPaneBorder paints gray border
// resulting in a 2pt border for the left/right components
// but results in 1pt gray line on top/button of divider.
// Still, a 1 pt shaddow light gay line is painted
c.setBorder(null);
} // installUI
