anchor.diff:  
       <%= stylesheet_link_tag    'application', media: 'all' %>
       <%= javascript_include_tag 'application' %>
  -
  -    <!-- Latest compiled and minified CSS -->
  -    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
   
       <script src="//maps.google.com/maps/api/js?key=AIzaSyC96I8KJbqYcYiMBXZ-enZ-0qjQqjcSIzg&libraries=places"></script>
       <script src="//cdn.rawgit.com/mahnunchik/markerclustererplus/master/dist/markerclusterer.min.js"></script>
  
positive.code:     <%= react_component 'mySidenav' %>
      <%= react_component 'mySidenavmenu', current_user: current_user %>
  
      <div id="container" class="container">
          <p class="notice"><%= notice %></p>
          <p class="alert"><%= alert %></p>
          <p><%= current_user %></p>
  
negative.code:         <br />
          <br />
        <%= yield %>
    </body>
  </html>
  