```/* Probe buttons */
SubCallButton {
    background:  qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                     stop: 0 #eaeaea, stop: 1.0 #b8b8b8);
    border-radius: 10px;

}

SubCallButton:disabled {
    border-color: gray;
}
``