diff --git a/custom_theme/main.html b/custom_theme/main.html
new file mode 100644
index 00000000..816b76f5
--- /dev/null
+++ b/custom_theme/main.html
@@ -0,0 +1,11 @@
+{% extends "base.html" %}
+
+{% block extrahead %}
+<script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
+<script>
+     (adsbygoogle = window.adsbygoogle || []).push({
+          google_ad_client: "ca-pub-9447404270680650",
+          enable_page_level_ads: true
+     });
+</script>
+{% endblock %}
\ No newline at end of file
diff --git a/mkdocs.yml b/mkdocs.yml
index 3d17cc6b..c291de8a 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -334,6 +334,7 @@ extra:
     accent:  'blue'
 theme:
   name: 'material'
+  custom_dir: 'custom_theme'
   logo: 'image/branding/invader.png'
   favicon: 'image/branding/invader.png'
 markdown_extensions: