<!doctype html>
<html lang="{% if(s_html_lang is defined) %}{{ s_html_lang }}{% else %}en{% endif %}">

{% block layout_head %}
    {# block layout_head #}
    {% include "layout.default.head.tpl.twig" %}
{% endblock layout_head %}

{% block layout_body %}
    {# block layout_body #}
{% endblock layout_body %}

</html>