title: How do I position a div at the bottom center of the screen
body: <p>I have this css:</p>
  
  <pre><code>#manipulate
  {
    position:absolute;
    width:300px;
    height:300px;
    background:#063;
    bottom:0px;
    right:25%;
  }
  </code></pre>
  
  <p>I have this html:</p>
  
  <pre><code>&lt;div id="manipulate" align="center"&gt;
  
  &lt;/div&gt;
  </code></pre>
  
  <p>How do we position that div at the bottom center of the screen?!?</p>