title: Tooltip image gets stuck after hovering on an element in Chrome
body: <p>We have a tooltip which appears when you mouse over a small (?) image. However, in Chrome, when you <em>un-hover</em> (mouse out), a part of the image on our tooltip somehow still displays, like a ghost image of some sort. </p>
  
  <p>This is the jsFiddle Test Case:</p>
  
  <p><a href="http://jsfiddle.net/UYxBt/" rel="nofollow">http://jsfiddle.net/UYxBt/</a></p>