:param title: Title of the card
        :param text: Description of the card
        :param img_url: Image of the card

def build(self, title, text, img_url):
        """
        :param title: Title of the card
        :param text: Description of the card
        :param img_url: Image of the card
        """
        super(ImageCard, self).build()
        self.title = Title(id=self.id + "-title", text=title, classname="card-title", size=3, parent=self)

        self.block = Panel(id=self.id + "-block", classname="card-block", parent=self)

        self.image = Image(id=self.id + "-image", img_url=img_url, classname="card-image-top img-fluid", parent=self.block)
        self.text = Paragraph(id=self.id + "-text", text=text, classname="card-text", parent=self.block)