diff --git a/demo/src/style/app.scss b/demo/src/style/app.scss
index 8b86e9292c..f0e4ac47d4 100644
--- a/demo/src/style/app.scss
+++ b/demo/src/style/app.scss
@@ -44,6 +44,9 @@ header.navbar {
 .sidebar {
   position: sticky;
   top: 1rem;
+  max-height: 100vh;
+  overflow-x: hidden;
+  overflow-y: auto;
 }
 
 header.title {