title: How did this site add that 2px margin between the th elements?
body: <p>I've been looking at the code and I still can't figure out how they achieved the 2px margin between the <code>th</code> elements:</p>
  
  <p><img src="https://i.stack.imgur.com/jvbUQ.png" alt="enter image description here"></p>
  
  <p>This is the site: <a href="http://ecigarettereviewed.com/" rel="nofollow noreferrer">http://ecigarettereviewed.com/</a></p>
  
  <p>Any ideas?</p>