title: Make Circular Button with Border
body: <p>I am trying to make a circular button with a transparent background and a colored border. How can I do this? </p>
  
  <p>I've attached a screenshot of one of my iOS apps that shows what I'm wanting.</p>
  
  <p><img src="https://i.stack.imgur.com/n0hop.png" alt="enter image description here"></p>