{% extends "_master.html" %}
{% block main_content %}
    <div id="content-wrapper" class="d-flex flex-column">

        <!-- Main Content -->
        <div id="content">

            <!-- Topbar -->
            <nav class="navbar navbar-expand navbar-light bg-white topbar mb-4 static-top shadow">
            </nav>
            <!-- End of Topbar -->

            <!-- Begin Page Content -->
            <div class="container-fluid">

                <!-- 404 Error Text -->
                <div class="text-cen