title: Centering entire page
body: <p>My website is left-justified with a lot of absolute positioning:</p>
  
  <pre><code>position: absolute;
  left: 30px;
  top: 200px;
  </code></pre>
  
  <p>I'd like to center it, like NYtimes.com does.  </p>
  
  <p>Is there CSS I can use to do this?</p>