title: IE9 not showing ul li ul submenu all other browsers IE before do
body: <p>i did not find exactly this problem in the other questions </p>
  
  <p>only in IE9 my submenu and all css on ul li ul does not show .
   It works correctly in IE6 7 8, firefox , safari, chrome, opera,..</p>
  
  <p>so i have a part of css like this : 
  ...</p>
  
  <h1>nav ul li:hover {text-decoration:underline; color:green;}</h1>
  
  <h1>nav ul li a:hover {text-decoration:underline;color:red;}</h1>
  
  <p>...
  my menu (list) goes like this :
  "..</p>
  
  <ul>    
  
    <li> menu choise 1 </li>
  
  
    <li> submenu title 
           <ul>
                <li> Submenu choise 1 </li>
  
       </ul>
  
    </li>
  </ul>
  
  <p>"..</p>
  
  <p>i have the red color bur nor the green !! and the real problem is that i don't see the submenu!!</p>
  
  <p>thanks for helping,   </p>
  
  <p>Ber lingo</p>