QPushButton#okButton {

      max-height: 25px
	  min-height: 25px;
      min-width: 77px;
      /*max-width: 77px;*/
}

QPushButton#cancelprefButton {

	  min-height: 25px;
      min-width: 77px;
      max-width: 77px;
}

QPushButton#applyButton {

	  min-height: 25px;
	  max-height: 25px;
      min-width: 77px;
      max-width: 77px;
}

QPushButton#cancelButton {

	  min-height: 25px;
	  max-height: 25px;
      min-width: 77px;
      max-width: 77px;
}