diff --git a/demo/index.html b/demo/index.html
index 80c1dff1..c498ef60 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -18,7 +18,7 @@
     <!-- <script src='../assets/tfjs-vis.min.js'></script> -->
     <script src="./browser.js" type="module"></script>
   </head>
-  <body style="margin: 0; background: black; color: white; font-family: 'Segoe UI'; font-size: 16px; font-variant: small-caps; overflow-x: hidden">
+  <body style="margin: 0; background: black; color: white; font-family: 'Segoe UI'; font-size: 16px; font-variant: small-caps; overflow: hidden">
     <div id="play" style="position: absolute; width: 250px; height: 250px; z-index: 25; top: 30%; left: 50%; margin-left: -125px">
       <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
         <path d="M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8zm115.7 272l-176 101c-15.8 8.8-35.7-2.5-35.7-21V152c0-18.4 19.8-29.8 35.7-21l176 107c16.4 9.2 16.4 32.9 0 42z" style="fill:darkslategray; cursor:pointer; opacity: 0.6"/>
