app/views/pages/maintenance.html.erb
<!DOCTYPE html>
<html>
<head>
<title>serveme.tf temporarily offline</title>
<style type="text/css">
body {
width: 500px;
margin: 100px auto;
font: 300 120% "OpenSans", "Helvetica Neue", "Helvetica", Arial, Verdana, sans-serif;
}
h1 {
font-weight: 300;
}
</style>
</head>
<body>
<div class="maintenance">
<h1>serveme.tf temporarily offline</h2>
<p>The system is down, reason: <%= reason ? reason : "upgrades" %><br>
<p>It'll be back online <%= deadline ? deadline : "soon" %>.</p>
<img style="width: 100%" src="/assets/maintenance.gif" />
</div>
</body>
</html>