diff --git a/mkdocs.yml b/mkdocs.yml
index 0afa334d..c3db7410 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -32,4 +32,7 @@ markdown_extensions:
   - def_list
   - tables
   - pymdownx.tasklist:
-      custom_checkbox: true
\ No newline at end of file
+      custom_checkbox: true
+
+extra_css:
+  - stylesheets/extra.css