<!DOCTYPE html>
<html>
<head>
  <title>AbmPortal</title>
  <%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true %>
  <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
  <%= csrf_meta_tags %>
</head>
<body>

<%= yield %>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
  <title>AbmPortal</title>
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
  <%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true %>
  <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
  <%= csrf_meta_tags %>
</head>
<body>

<%= yield %>

</body>
</html>

Load Bootstrap 3.3.4 from CDN
Load Bootstrap 3.3.4 from CDN
