diff --git a/mkdocs.yml b/mkdocs.yml
index f4d345c..097a310 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -26,5 +26,6 @@ nav:
 
 markdown_extensions:
   - admonition
-  - codehilite
+  - codehilite:
+      css_class: highlight
   - mkautodoc