anchor.diff:  
     <!-- Latest compiled and minified JavaScript -->
     <!-- // <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script> -->
  +  <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
     <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
     <script src="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
     <script src="assets/headroom.min.js"></script>
  
positive.code:   <!-- <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap-theme.min.css"> -->
  
    <%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true %>
    <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
    <%= csrf_meta_tags %>
  
    <meta charset="utf-8">
  
negative.code: </head>
  <body class="home">
      <div id="fb-root"></div>
  
  
      <%= render 'layouts/menu' %>
  
  