<!DOCTYPE html> <html lang=β{{ page.lang | default: site.lang | default: βenβ }}β> {%- include head.html -%} <body>
{%- include header.html -%} <main class="page-content" aria-label="Content"> <div class="wrapper"> {{ content }} </div> </main> {%- include back-to-top.html -%} {%- include footer.html -%} {% if site.mathjax.enable %} {%- include mathjax.html -%} {% endif %}
</body> </html>