Do you Know something about this?
Code:
#redLEDLabel,
#greenLEDLabel,
#blueLEDLabel,
#whiteLEDLabel {
padding-left: 0px;
}
#redSlider,
#greenSlider,
#blueSlider,
#whiteSlider {
qproperty-decreaseDeselectedPixmap: url(:/images/light/brightness_control_down.png);
qproperty-decreaseSelectedPixmap: url(:/images/light/brightness_control_down_hit.png);
qproperty-increaseDeselectedPixmap: url(:/images/light/brightness_control_up.png);
qproperty-increaseSelectedPixmap: url(:/images/light/brightness_control_up_hit.png);
}
Seen inside nickel.
Good luck!