Fix docs syntax highlighting (#1489)

diff --git a/mkdocs.yml b/mkdocs.yml
index 2f1f94b8198d1b0de9be9f17cb51b2b58b22a9a4..ccafcac1f818f02191355660e8d95b25c71519ba 100644 (file)
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -25,7 +25,8 @@ nav:
 
 markdown_extensions:
   - admonition
-  - codehilite
+  - codehilite:
+      css_class: highlight
   - mkautodoc
 
 extra_css: