title: Resizing subviews with AutoLayout
body: <p>I'm setting constraints for a subview within a scroll view and the subview resizes to be ~100 wider than the superview, even when I set leading and trailing constraints</p>
  
  <p>I've tried setting leading and trailing constraints</p>
  
  <p><a href="https://i.stack.imgur.com/GUYJu.png" rel="nofollow noreferrer">Image of my current constraints and the problem</a></p>