title: Center a DIV to the center of page regardless of screen size
body: <p>I want to center the below div container to that the site appears in the center of the page, regardless of the screen size.</p>
  
  <p><a href="http://penarthpc.com/~droneboy/" rel="noreferrer">http://penarthpc.com/~droneboy/</a></p>
  
  <p>I've played around a little bit but appear to be missing something.</p>