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

{% include head.html %}
<body>
  <div class="container">
    <aside class="sidebar-left">
      {% include header.html %}
    </aside>
    <main>
      {{ content }}
      {% include footer.html %}
    </main>
    <aside class="sidebar-right">
      {%- if page.toc -%}
        {% include toc-div.html %}
      {%- endif -%}
    </aside>
  </div>

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

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

</html>