<!DOCTYPE html>
<html lang="{{ page.lang | default: site.lang | default: "en" }}">

  <head>
    {% include head.html %}
  </head>

  <body>
    <div class="site-container">
      <header class="site-header">
        {% include header.html %}
      </header>
      
      <div class="site-body wrapper">
        <aside class="site-sidebar" id="site-sidebar">
          {% if page.toc %}
            {% include sidebar-toc.html %}
          {% else %}
            {% include sidebar.html %}
          {% endif %}
