anchor.diff:                  </ul>
                 </li>
               </ul>
  -
  -
  +          </div>
           </div>
         </div>
       </div>
  
positive.code: <!DOCTYPE html>
  <html>
    <head>
    	<title>Networking</title>
      <script src="/vendor/jquery-1.9.1.min.js" type="text/javascript"></script>
      <script src="/vendor/bootstrap/js/bootstrap.min.js"></script>
      <link rel="stylesheet" href="/vendor/bootstrap/css/bootstrap.min.css">
  	<link rel="stylesheet" href="/vendor/fontawesome/css/font-awesome.min.css">
    </head>
    <body style="padding-top: 50px;">
  
negative.code:     <div class="navbar navbar-inverse navbar-fixed-top">
        <div class="navbar-inner">
          <div class="container">
            <button type="button" class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
            </button>
            <a class="brand" href="/">DHCP Dashboard</a>
            <div class="nav-collapse collapse">
              <ul class="nav">
                <li class="dropdown"> 
                  <a href="#"
  