<!DOCTYPE html>
<html>
<head>
  <title>AbmPortal</title>

  <%= yield :head %>
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
  <%= csrf_meta_tags %>
</head>
<body>
  <div class="container">
    <%= yield %>
  </div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
  <title>AbmPortal</title>

  <%= yield :head %>
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>

  <%= stylesheet_link_tag "application", media: "all" %>
  <%= csrf_meta_tags %>
</head>
<body>
  <div class="container">
    <%= yield %>
  </div>

</body>
</html>

Load Rails stylesheet into app
Load Rails stylesheet into app

Without the Leaflet map has no height.
