diff --git a/doc/doc/.vitepress/theme/style.css b/doc/doc/.vitepress/theme/style.css
index f69deda..482f337 100644
--- a/doc/doc/.vitepress/theme/style.css
+++ b/doc/doc/.vitepress/theme/style.css
@@ -97,10 +97,6 @@ span {
     font-style: normal!important;
 }
 
-.outline-title {
-    display: none;
-}
-
 /*p {*/
 /*    text-align: justify;*/
 /*}*/
\ No newline at end of file