app/views/layouts/pages.html.erb
<% content_for :static do %>
<div class="static_page">
<%= render partial: 'pages/navigation' %>
<h1 class="static_page_heading">
<%= @page_title %>
</h1>
<div class="page_container static_page_content">
<div class="static_page_content_inner">
<%= yield %>
</div>
</div>
</div>
<% end %>
<%= render template: 'layouts/application' %>