'Construct unique element selector.
Arguments:
class_name (str): css class name for an element.
vertical (bool): do we need vertical css selector or not. vertical css selector is not present in Studio
Returns:
str: Element Selector.'

def get_element_selector(self, class_name, vertical=True):

    if vertical:
        return '{vertical}    {video_element}'.format(vertical=self.get_video_vertical_selector(self.current_video_display_name), video_element=class_name)
    else:
        return class_name
