}

  {% if page.meta-title %}
  <meta property="og:title" content="{{ page.meta-title }}">
  {% elsif page.title %}
  <meta property="og:title" content="{{ page.title }}">
  {% elsif site.title %}
  <meta property="og:title" content="{{ site.title }}">
  {% endif %}

   {% if page.meta-description %}
  <meta property="og:description" content="{{ page.meta-description }}">
  {% elsif page.subtitle %}
  <meta property="og:description" content="{{ page.subtitle }}">
  {% else %}
  <meta property="og:descriptio