website/_layouts/default.html (15 lines of code) (raw):
<!DOCTYPE html>
<html lang="{{ page.lang | default: site.lang | default: " en " }}">
{% include head.html %}
{% include analytics.html %}
<body>
{% include navbar.html %}
{{ content }}
{% include footer.html %}
<script src="/assets/vendor/jquery/jquery-slim.min.js"></script>
<script src="/assets/vendor/popper/popper.min.js"></script>
<script src="/assets/vendor/bootstrap/js/bootstrap.min.js"></script>
<script src="/assets/header.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type="text/javascript"></script>
</body>
</html>