title: Page using jQuery displays bad in Firefox (IE and Chrome ok)
body: <p>i am learning jQuery from tusplus website and i want to have a FAQ section with questions and when user point to the question, the right answer slided down.</p>
  
  <p>I've implemented it but it works good only in IE and Chrome, but bad in Mozilla. Anyone know why? Thanks.</p>
  
  <p>Live demo: www.lukashamrla.cz/pokus.html</p>
  
  <p>Code:</p>
  
  <pre><code>        $(document).ready(function(){
              $("dd").addClass("hide");
  
              $("dt").on("mouseenter", function(){
                  $(this).next().slideDown().siblings('dd').slideUp();
              })
          });
  </code></pre>