src/_themes/toltec/layout.html

<!doctype html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">

        {%- if title == "Home" %}
        <title>{{ docstitle|e }}</title>
        {%- else %}
        {%- set titlesuffix = " &#8212; "|safe + docstitle|e %}
        <title>{{ title|striptags|e }}{{ titlesuffix }}</title>
        {%- endif %}

        <link rel="stylesheet" href="_static/toltec.css">
        <link rel="icon" href="_static/images/favicon.png" type="image/png">
        <link rel="icon" href="_static/images/favicon.svg" sizes="any" type="image/svg+xml">
    </head>
    <body>
        <aside class="sidebar">
            <header class="sidebar-header">
                <a href="/">
                    <img alt="" src="_static/images/toltec-small.svg"
                         class="sidebar-logo">
                    <span class="sidebar-sitename">{{ project }}</span>
                </a>
            </header>

            {%- for sidebartemplate in sidebars %}
            {%- include sidebartemplate %}
            {%- endfor %}
        </aside>
        <main>
            {% block body %} {% endblock %}
        </main>
    </body>
</html>