app/views/layouts/sudo_rails/application.html.erb
<!DOCTYPE html>
<html>
<head>
<title><%= t('sudo_rails.page_header') %></title>
<%= csrf_meta_tags %>
<%= render 'sudo_rails/stylesheet' %>
</head>
<body>
<%= render 'sudo_rails/flash_alert' %>
<div class="sudo-container">
<%= yield %>
</div>
</body>
</html>