title: Latex: Header and section titles with background
body: <p>I want to make a latex template similar to this:
  <a href="http://img826.imageshack.us/img826/9599/cat.png" rel="nofollow noreferrer">http://img826.imageshack.us/img826/9599/cat.png</a>
  Header and section title has a grey background. How can I do that?</p>