code: def build(self, title, text, img_url):
          
          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)
docs: :param title: Title of the card
          :param text: Description of the card
          :param img_url: Image of the card