title: IE 11 ignores nth-child and last-child
body: <p>Can someone tell me why IE 11 ignores at all the following rule of my css file ?</p>
  
  <pre><code>.navigation.menu ul li:nth-child(7):hover ul,
  .navigation.menu ul li:nth-child(8):hover ul,
  .navigation.menu ul li:last-child:hover ul {
  
       right:0;left:initial;
  
  }
  </code></pre>
  
  <p>This rule is being read and working as expected by all other browsers, but IE doesn't even see it.</p>