!!!
%html{:lang => "en"}
  %head
    = csrf_meta_tags

    / Required meta tags
    %meta{:charset => "utf-8"}/
    %meta{:content => "width=device-width, initial-scale=1, shrink-to-fit=no", :name => "viewport"}/
    / Bootstrap CSS
    %link{:crossorigin => "anonymous", :href => "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css", :integrity => "sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ", :rel => "stylesheet"}/
    = stylesheet_link_tag    "rails/add_ons/application",  media: 'all', :'data-turbolinks-track' => 'reload'
    = stylesheet_link_tag    "rails/add_ons/font_awesome",  media: 'all', :'data-turbolinks-track' => 'reload'
    = javascript_include_tag "rails/add_ons/application", :'data-turbolinks-track' => 'reload'
    / widget endpoint
    - if respond_to?(:rails_add_ons)
      %meta{name: 'widget-base-path', content: rails_add_ons.widget_path}
  %body
    = render 'navbar'
    .container-fluid
      .starter-template
        = bootstrap_flash
        = yield
    / /.container