diff --git a/styles/notion.css b/styles/notion.css
index eee6a48d..c457c72b 100644
--- a/styles/notion.css
+++ b/styles/notion.css
@@ -555,6 +555,7 @@ summary > .notion-h {
   width: 100%;
   margin: 6px 0;
   padding: 0;
+  border-top: solid !important;
   /* border-bottom-width: 1px; */
 }