let options: UIViewAnimationOptions = [.allowUserInteraction, .beginFromCurrentState]
UIView.animate(withDuration: 0.4, delay: 0.0, options: options, animations: {
  self.headerViewController.view.frame.size.height = 120
  self.contentViewController.view.frame.size.height = 320
  self.moreViewController.view.frame.size.height = 210
})