diff --git a/index.html b/index.html
index d4a790a..f899d01 100644
--- a/index.html
+++ b/index.html
@@ -9,10 +9,22 @@
   <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/5.7.0/d3.min.js" charset="utf-8"></script>
 </head>
 <body>
+<style>
+@media (hover: none) {
+  #id { display: none; }
+  #nodisplay { display: block; }
+}
+@media (hover: hover) {
+  #nodisplay {display: none; }
+}
+</style>
   <div class="page">
     <div class="page">
       <div id="explore-app"></div>
     </div>
+    <div id="nodisplay">
+      This platform is unsuitable for mobile. Please revisit on a desktop.
+    </div>
   </div>
 </body>
 </html>
