lib/rails/generators/pages_core/frontend/templates/application.html.erb
<!doctype html>
<%= tag.html(lang: locale) do %>
<%= head_tag do %>
<%# default_meta_image "/images/facebook-share.png" %>
<%= stylesheet_link_tag "application" %>
<%= javascript_include_tag "application" %>
<%= feed_tags %>
<meta name="viewport" content="width=device-width, initial-scale=1">
<% end %>
<body>
<% if Rails.env.development? %>
<div class="grid-overlay"></div>
<% end %>
<%= yield %>
</body>
<% end %>