diff --git a/demo/index.html b/demo/index.html
index a7a71f6..a427c55 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -23,6 +23,12 @@
   pre {
     overflow-x: auto;
   }
+
+  summary {
+    position: sticky;
+    top: 0px;
+    background: white;
+  }
 </style>
 
 <label for="token-input">Access token: </label>