             multiplier: 1.0,
             constant: 8)
         
-        let constraintButtonTrailingConstraint = NSLayoutConstraint(
-            item: constraintButton,
+        let navStackTrailingConstraint = NSLayoutConstraint(
+            item: navStack,
             attribute: .TrailingMargin,
             relatedBy: .Equal,
             toItem: view,


        self.navigationItem.title = "Examples"
        
        // Setup and add Subviews
        
        let constraintButton = UIButton(type: .System)
        constraintButton.setTitle("Constraint Example", forState: .Normal)
        constraintButton.translatesAutoresizingMaskIntoConstraints = false
        constraintButton.addTarget(self, action: #selector(JunctionViewController.constraintButtonClicked), forControlEvents: .TouchUpInside)
        
        let anchorButton = UIButton(type: .System)
        anchorButton.setTitle("Anchor Example", forState: .Normal)
        anchorButton.translatesAutoresizingMaskIntoConstraints = false
        anchorButton.addTarget(self, action: #selector(JunctionViewController.anchorButtonClicked), forControlEvents: .TouchUpInside)
        
        let frameButton = UIButton(type: .System)
        frameButton.setTitle("Frame Example", forState: .Normal)
        frameButton.translatesAutoresizingMaskIntoConstraints = false
        frameButton.addTarget(self, action: #selector(JunctionViewController.frameButtonClicked), forControlEvents: .TouchUpInside)
        
        view.addSubview(anchorButton)
        view.addSubview(constraintButton)
        view.addSubview(frameButton)
        view.backgroundColor = UIColor.whiteColor()
        
        // Setup and Activate Constraints
        
        let constraintButtonLeadingConstraint = NSLayoutConstraint(
            item: constraintButton,
            attribute: .LeadingMargin,
            relatedBy: .Equal,
            toItem: view,

            multiplier: 1.0,
            constant: -8)
        
        let navStackTopConstraint = NSLayoutConstraint(
            item: navStack,
            attribute: .Top,
            relatedBy: .Equal,
            toItem: view,
