title: Another thing about css performance
body: <p>What these is more fast?</p>
  
  <pre><code>#container &gt; .classname
  </code></pre>
  
  <p>or</p>
  
  <pre><code>#container .classname
  </code></pre>
  
  <p>I know that '>' will only apply it to childs of #container and not to childs of childs.</p>
  
  <p>thanks.</p>