Preview:
    override func viewDidAppear(_ animated: Bool) {
        
        self.profileImageView.frame.size = CGSize(width: self.profileImageView.frame.height,
                                                  height: self.profileImageView.frame.height)
        self.profileImageView.center.x = self.view.center.x
        self.profileImageView.isHidden = false
    }
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