anchor.diff:  
           </div>
         </div>
  -    </div>
  -
  -
  -
  -</body>+    </div>
positive.code:     </div>
    </nav>
  
  </head>
  
  <body>
  
  
    <div class="jumbotron" id="Home">
      <div class="container-fluid">
  
negative.code: 
    <nav class="navbar navbar-default navbar-fixed-top shadow" id="topnav">
      <div class="container-fluid">
  