After changing css, hover doesn't work
<p>After running this: <code>$('.bar').css({'color':'#fff'});</code> hover for .bar stops working. Why?</p>

<p>Also, <code>$('.bar:hover').css({'color':'#fff'});</code> doesn't change hover's color too, why? What am I missing?</p>

<p><a href="http://jsfiddle.net/hh4NJ/" rel="nofollow">http://jsfiddle.net/hh4NJ/</a></p>
