app/views/layouts/policy_manager/application.html.erb
<!DOCTYPE html>
<html>
<head>
<title><%= I18n.t("terms_app.title") %></title>
<%= csrf_meta_tags %>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,300i,400,400i,500,500i,600,600i,700,700i&subset=latin-ext">
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.css">
<script src="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.js"></script>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.0.10/css/all.css" integrity="sha384-+d0P83n9kaQMCwj8F4RJB66tzIwOKmrdb46+porD/OvrJ+37WqIM7UoBtwHO6Nlg" crossorigin="anonymous">
<%= javascript_include_tag "https://www.gstatic.com/charts/loader.js" %>
<%= stylesheet_link_tag "policy_manager/application", media: "all" %>
<%= javascript_include_tag "policy_manager/application", debug: false %>
</head>
<body>
<div class="page">
<div class="page-main">
<%= render partial: "policy_manager/shared/header" %>
<div class="my-3 my-md-5">
<div class="container">
<p id="notice">
<%= flash_messages %>
</p>
<%= yield %>
</div>
</div>
</div>
<%= render partial: "policy_manager/shared/footer" %>
</div>
</body>
</html>