         }
     }
     
-    fileprivate func configureLabels() {
+    private func configureLabels() {
         configureTitleLabel()
         configureCurrentTimeLabel()
         configureRemainingTimeLabel()
         configureDurationLabel()
     }
     
-    fileprivate func configureTitleLabel() {
+    private func configureTitleLabel() {
         _titleLabel.textColor = .white
         _titleLabel.text = "Loading..."
         _titleLabel.font = UIFont.boldSystemFont(ofSize: 17)
     }
     
-    fileprivate func configureCurrentTimeLabel() {
+    private func configureCurrentTimeLabel() {
         _currentTimeLabel.textColor = .white
         _currentTimeLabel.font = UIFont.systemFont(ofSize: 12)
         _currentTimeLabel.text = "00:00"
         _currentTimeLabel.textAlignment = .center
     }
     
-    fileprivate func configureRemainingTimeLabel() {
+    private func configureRemainingTimeLabel() {
         _remainingTimeLabel.textColor = .white
         _remainingTimeLabel.font = UIFont.systemFont(ofSize: 12)
         _remainingTimeLabel.text = "00:00"
         _remainingTimeLabel.textAlignment = .right
     }
     
-    fileprivate func configureDurationLabel() {
+    private func configureDurationLabel() {
         _durationLabel.textColor = .white
         _durationLabel.font = UIFont.systemFont(ofSize: 12)
         _durationLabel.text = "/00:00"
         _durationLabel.textAlignment = .left
     }
     
-    fileprivate func configureTimeSliders() {
+    private func configureTimeSliders() {
         _timeSlider.maximumValue = 1.0
         _timeSlider.minimumValue = 0.0
         _timeSlider.value = 0.0

        }
    }
    
    fileprivate func setPlayButtonConstraints() {
        _playButton.snp.makeConstraints { (make) in
            make.width.equalTo(42)
            make.height.equalTo(42)

        setDurationLabelContraints()
    }
    
    private func setBGContainerViewConstraints() {
        bgContainerView.snp.makeConstraints { (make) in
            make.edges.equalTo(self)
        }
    }
    
    private func setTopContainerViewConstraints() {
        topContainerView.snp.makeConstraints { (make) in
            make.top.left.right.equalTo(bgContainerView)
            make.height.equalTo(65)
        }
    }
    
    private func setBottomContainerViewConstraints() {
        bottomContainerView.snp.makeConstraints { (make) in
            make.bottom.left.right.equalTo(bgContainerView)
            make.height.equalTo(50)
        }
    }
    
    private func setBackButtonConstraints() {
        _backButton.snp.makeConstraints { (make) in
            make.width.height.equalTo(50)
            make.left.bottom.equalTo(topContainerView)
        }
    }
    
    private func setTitleLabelConstraints() {
        _titleLabel.snp.makeConstraints { (make) in
            make.left.equalTo(_backButton.snp.right)
            make.centerY.equalTo(_backButton)
        }
    }
    
    private func setFullScreenButtonConstraints() {
        _fullScreenButton.snp.makeConstraints { (make) in
            make.width.equalTo(37)
            make.height.equalTo(42)
