title: How do I organize view layers? Placing images above a button
body: <p>I want an image to appear above a button, and still have the button clickable.  I want this because I want the button (eventually have a gradient) to appear in the background, to more clearly indicate that it is a button.  An imageButton does not satisfy my needs as I will actually be having two images "on top" of the button, but for the sake of simplicity and understanding, the attached image only has one.</p>
  
  <p><a href="https://i.stack.imgur.com/6Xktj.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/6Xktj.png" alt="imageView behind button"></a></p>