def _init_style(self):
        """ Inits style options """
        self._background = QtGui.QColor('white')
        self._foreground = QtGui.QColor('black')
        self._whitespaces_foreground = QtGui.QColor('light gray')
        app = QtWidgets.QApplication.instance()
        self._sel_background = app.palette().highlight().color()
        self._sel_foreground = app.palette().highlightedText().color()
        self._font_size = 10
        self.font_name = ""
Inits style options