<!doctype html> <html lang=β€œ{{ page.lang | default: site.lang | default: ”enβ€œ }}”>

{% include head.html %}
<body>
  <div id="main" class="container">

    {% include header.html %}

    <main>
      {{ content }}
    </main>

  </div>
  {% include footer.html %}

  {% if page.mathjax %}
    {% include mathjax.html %}
  {% endif %}

  {% if page.katex %}
    {% include katex.html %}
  {% endif %}

  {% if jekyll.environment == 'production' and site.google_analytics %}
    {% include google-analytics.html %}
  {% endif %}
</body>

</html>