diff --git a/index.html b/index.html
index deb4fcb..b6a87c5 100644
--- a/index.html
+++ b/index.html
@@ -311,6 +311,10 @@
         margin-left: 1em;
       }
 
+      .value_explorer_header {
+        cursor: pointer;
+      }
+
       .value_explorer_header.active {
         background-color: rgb(148, 227, 191);
       }