title: Objective C: How to create border effect around photos
body: <p>Can anyone advise me on how I can create a border around photos (like what you see in the screen shot below)? It seems like there is a thin grey border and a drop shadow at the back.</p>
  
  <p>Appreciate any advise here.</p>
  
  <p><img src="https://i.stack.imgur.com/6tYAp.jpg" alt="enter image description here"></p>