index.html

<!DOCTYPE html>
<html>
    <head>
        {% for src in js %}
            <script type="text/javascript" src="{{ src }}"></script>
        {% endfor %}
        {% for src in css %}
            <link type="text/css" rel="stylesheet" href="{{ src }}">
        {% endfor %}
        
        <link type="text/css" rel="stylesheet" href="{{ url_for( 'send_app_files', path = 'app.css' ) }}">
        
        <script type="text/javascript">
            baseurl = "{{ baseurl }}";
        </script>
    </head>
    <body class="icnml_main_layout">
        {% include "header.html" %}
        {% include "navigations/submitter.html" %}
        <div class="icnml_content"></div>
    </body>
</html>