app/views/layouts/application.html.erb
<!DOCTYPE html>
<html>
<head>
<title>Writefully</title>
<%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track' => true %>
<%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
<%= csrf_meta_tags %>
<%= csp_meta_tag %>
</head>
<body>
<%= render 'navbar' %>
<div id='main' class='container'>
<div class='row'>
<div class='col-md-8 col-md-offset-2'>
<%= render 'flash_messages' %>
<%= yield %>
</div>
</div>
</div>
</body>
</html>