title: How to remove black border around hyperlinked image?
body: <p>When I turn an image (<code>&lt;img&gt;</code>) into a hyperlink (by wrapping it in <code>&lt;a&gt;</code>), Firefox adds a black border around the image.  Safari does not display the same border. </p>
  
  <p>What CSS declaration would be best to eliminate the border?</p>