page -%}
        {%- if page.summary | string -%}
            {{ page.summary | striptags | truncate(length=200) }}
        {%- elif page.description -%}
            {{ page.description }}
        {%- else -%}
            {{ config.description }}
        {%- endif -%}
    {%- endif -%}
{% endmacro og_description %}
{% macro og_title() -%}
    {{ config.title }} -&nbsp;
    {%- if section -%}
        {%- if section.title -%}
            {{ section.title | striptags }}
        {%- else -%}
            {{ conf