docs: Fix tabs

Author: pawamoy

mkdocs.yml

@@ -54,7 +54,8 @@ markdown_extensions:
 - pymdownx.snippets:
     check_paths: true
 - pymdownx.superfences
-- pymdownx.tabbed
+- pymdownx.tabbed:
+    alternate_style: true
 - pymdownx.tasklist
 - toc:
     permalink: "¤"