Adds hover state for panels

Author: Greg Pfaff

05 - Flex Panel Gallery/index-START.html

@@ -67,6 +67,9 @@
       display: flex;
       flex-direction: column;
     }
+    .panel:hover {
+      cursor: pointer;
+    }
 
     .panel > *:first-child {
       transform: translateY(-100%);