doc: don't use outdated CSS classes.

diff --git a/doc/css/page-layout-test.rst b/doc/css/page-layout-test.rst
index 2da588b876f57c16b89744cb898fe68f02702519..aae22f8b59075df0886bae3282308706ae7fea35 100644 (file)
--- a/doc/css/page-layout-test.rst
+++ b/doc/css/page-layout-test.rst
@@ -119,7 +119,7 @@ Shouldn't be any difference.
 
     .. container:: m-col-m-4 m-col-s-6
 
-        .. class:: m-inverted-highlight
+        .. class:: m-inverted
         .. code:: c++
             :hl_lines: 2