app/views/layouts/admin.html.erb
<!DOCTYPE html>
<html>
<head>
<title><%= app_title %></title>
<%= stylesheet_link_tag 'admin', media: 'all' %>
<%= javascript_include_tag 'application' %>
<%= csrf_meta_tags %>
<meta name="theme-color" content="<%= app_colour %>" />
<meta name="msapplication-navbutton-color" content="<%= app_colour %>" />
<meta name="apple-mobile-web-app-status-bar-style" content="<%= app_colour %>" />
<meta name="viewport" content="width=device-width, shrink-to-fit=no, initial-scale=1">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bulma/0.9.0/css/bulma.css">
<link rel="stylesheet" type="text/css" href="https://unpkg.com/bulma-prefers-dark" />
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<script src="//cdn.jsdelivr.net/npm/fingerprintjs2@2.1.0/dist/fingerprint2.min.js"></script>
</head>
<body>
<%= render 'admin/navigation_bar' %>
<% flash.each do |key, value| %>
<div class="alert notification has-background-<%= key %>"><%= value %></div>
<% end %>
<% if JobEvent.running.any? %>
<div class="notification has-background-info">
<% if JobEvent.running.count == 1 %>
<%= content_tag(:code, JobEvent.running.first.job_name) %> is running. More info <%= link_to('here', admin_job_events_path) %>.
<% else %>
Several jobs are running. Check them out <%= link_to('here', admin_job_events_path) %>.
<% end %>
</div>
<% end %>
<section class="section">
<div class="container">
<%= yield %>
</div>
</section>
</body>
</html>