def METHOD_NAME(self):
    self.setStyleSheet("""
        #img_frame, #img_position_and_unit_widget, QLabel, QCheckBox {
            background: black;
        }
        """)
    self.autoscale_btn.setChecked(True)
    self.phases_btn.setChecked(False)
    self.phases_btn.setVisible(False)
    self.position_and_unit_widget.hide()
    self.save_image_btn.setIconSize(QtCore.QSize(13, 13))
    self.save_image_btn.setWidth(25)