title: Storyboard UIButton vertical alignment not working
body: <p>I have my UIButton's configured like this</p>
  
  <p><img src="https://i.stack.imgur.com/Ekgfr.png" alt="this"> </p>
  
  <p>and this</p>
  
  <p><img src="https://i.stack.imgur.com/TbV3l.png" alt="this"></p>
  
  <p>except when I build and test the app, they don't get correctly aligned vertically as displayed in this image</p>
  
  <p><img src="https://i.stack.imgur.com/xBTvT.jpg" alt="this"></p>