app/views/layouts/application.html.erb
<!DOCTYPE html>
<html lang="<%= I18n.locale %>" dir="<%= language.direction %>">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<%= page_meta_tags %>
<%= csrf_meta_tags %>
<%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track': 'reload' %>
<%= javascript_include_tag 'application', 'data-turbolinks-track': 'reload' %>
<%= timeago_script_tag %>
<% if body_class == 'users-show' %>
<%= auto_discovery_link_tag(:atom) %>
<% end %>
</head>
<body class="<%= body_class %>">
<div class="wrapper d-flex flex-column">
<% unless body_class == 'pictures-lightboxes-show' %>
<%= render partial: 'layouts/navbar' %>
<% end %>
<div class="container">
<% if alert %>
<div class="alert alert-danger" role="alert"><%= alert %></div>
<% end %>
<% if notice %>
<div class="alert alert-success" role="alert"><%= notice %></div>
<% end %>
<%= yield %>
</div>
<% unless body_class == 'pictures-lightboxes-show' %>
<%= render partial: 'layouts/footer' %>
<% end %>
</div>
</body>
</html>