diff --git a/styles/notion.css b/styles/notion.css
index 8d718b9..94a7f30 100644
--- a/styles/notion.css
+++ b/styles/notion.css
@@ -46,6 +46,7 @@
 .notion-header .notion-nav-header {
   max-width: 1100px;
   margin: 0 auto;
+  overflow-x: auto;
 }
 
 .notion-nav-header-rhs {