Notebook download version

docs/overrides/main.html

@@ -0,0 +1,14 @@
+{% extends "base.html" %} {% block content %} {% if page.nb_url %}
+<a
+  href="{{ page.nb_url }}"
+  title="Download Notebook"
+  class="md-content__button md-icon"
+>
+  {% include ".icons/material/download.svg" %}
+</a>
+{% endif %} {{ super() }} {% endblock content %} {% block outdated %} You're not
+viewing the latest version.
+<a href="{{ '../' ~ base_url }}">
+  <strong>Click here to go to latest.</strong>
+</a>
+{% endblock %}

mkdocs.yml

@@ -33,6 +33,7 @@ watch:
 
 theme:
   name: material
+  custom_dir: docs/overrides
   palette:
     # Palette toggle for automatic mode
     - media: "(prefers-color-scheme)"