title: Pink border in Firefox 4
body: <p>I have this code in my CSS</p>
  
  <pre><code>    img.hoverborder {
          border: solid 4px transparent;
          /*Propriété propre à Internet Explorer 6.0 */
          border-color: pink;
          filter: chroma(color=pink);
      }
  img.hoverborder:hover {
          border-color: blue;
      }
  </code></pre>
  
  <p>It's only for IE6 but when i use Firefox 4 i have a pink border.
  How can i do for have a transparent border when i use FireFox 4..?
  Thx.</p>