templates/500.html

<!DOCTYPE html>
<html lang="en">
    <head>
        <title>Internal Error</title>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1">
        {% load static %}
        <link rel="stylesheet" href="{% static "css/style.css" %}" type="text/css" media="screen" />
        <link rel="stylesheet" href="{% static "fonts/raleway/raleway.css" %}" type="text/css" />
        <link rel="stylesheet" href="{% static "fonts/font_awesome/all.min.css" %}" type="text/css" />
        <link rel="shortcut icon" href="{{ config.site_icon }}">
    </head>
    <body>
        <main>
            <section class="markdown">
                <h1 class="above">Internal Server Error</h1>
                <p>The server encountered an error trying to process your request.</p>
            </section>
        </main>
    </body>
</html>