{% block doc -%}
{%- block html %}
{%- block head %}
{%- block metas %}
{%- endblock metas %}
{%- block styles %}
{%- endblock styles %}
{% block title %}{{ title|default }}{% endblock title %}
{% block header %}
{% endblock %}
{%- endblock head %}
{% block body -%}
{% block navbar %}
{%- endblock navbar %}
{% block content_container -%}
{% include "_messages.html" %}
{% block content -%}
{%- endblock content %}
{%- endblock content_container %}
{% block footer -%}