title: "0" vs "none" as css attribute value
body: <p>I usually put <code>0</code> as value when i want to remove something in css. For example:</p>
  
  <pre><code>border: 0;
  background: 0;
  </code></pre>
  
  <p>Is there any difference between <code>0</code> and <code>none</code>?</p>