diff --git a/source/conf.py b/source/conf.py
index 742f616..c07b275 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -33,4 +33,8 @@ html_static_path = ['_static']
 html_css_files = [
     'css/custom.css',
 ]
-
+html_theme_options = {
+    'navigation_depth': 4,
+    'includehidden': True,
+    'titles_only': False
+}