diff --git a/editor/browser-not-supported.html b/editor/browser-not-supported.html
index e1097e95..6ec7af4e 100644
--- a/editor/browser-not-supported.html
+++ b/editor/browser-not-supported.html
@@ -1,10 +1,10 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <meta charset="UTF-8" />
+    <meta charset="utf-8" />
     <meta http-equiv="X-UA-Compatible" content="chrome=1"/>
     <link rel="icon" type="image/png" href="images/logo.png"/>
-    <link rel="stylesheet" href="svg-editor.css" type="text/css"/>
+    <link rel="stylesheet" href="svg-editor.css"/>
     <title>Browser does not support SVG | SVG-edit</title>
     <style>
       body {
@@ -28,20 +28,27 @@
         bottom: 0;
         width: 100%;
       }
-      #caniuse>iframe {
+      #caniuse > iframe {
         height: 100%;
         width: 100%;
       }
     </style>
   </head>
   <body>
-    
     <img id="logo" src="images/logo.png" width="48" height="48" alt="SVG-edit logo" />
-    <p>Sorry, but your browser does not support SVG. Below is a list of alternate browsers and versions that support SVG and SVG-edit (from <a href="https://caniuse.com/#feat=svg-html5">caniuse.com</a>).</p>
-    <p>Try the latest version of <a href="https://www.getfirefox.com">Firefox</a>, <a href="https://www.google.com/chrome/">Chrome</a>, <a href="https://www.apple.com/safari/">Safari</a>, <a href="https://www.opera.com/download">Opera</a> or <a href="http://windows.microsoft.com/ie9">Internet Explorer</a>.</p>
-    
+    <p>Sorry, but your browser does not support SVG. Below is a list of
+        alternate browsers and versions that support SVG and SVG-edit
+        (from <a href="https://caniuse.com/#cats=SVG">caniuse.com</a>).
+    </p>
+    <p>Try the latest version of
+        <a href="https://www.getfirefox.com">Firefox</a>,
+        <a href="https://www.google.com/chrome/">Chrome</a>,
+        <a href="https://www.apple.com/safari/">Safari</a>,
+        <a href="https://www.opera.com/download">Opera</a> or
+        <a href="https://support.microsoft.com/en-us/help/17621/internet-explorer-downloads">Internet Explorer</a>.
+    </p>
     <div id="caniuse">
-      <iframe src="https://caniuse.com/#feat=svg-html5"></iframe>
+      <iframe src="https://caniuse.com/#cats=SVG"></iframe>
     </div>
   </body>
 </html>
diff --git a/editor/browser-not-supported.js b/editor/browser-not-supported.js
deleted file mode 100644
index b87ec308..00000000
--- a/editor/browser-not-supported.js
+++ /dev/null
@@ -1,8 +0,0 @@
-/* eslint-disable no-var */
-/* globals $ */
-var viewportHeight = window.innerHeight || ($(window).height() - 140);
-var iframe = document.createElement('iframe');
-iframe.style.width = '100%';
-iframe.style.height = viewportHeight + 'px';
-iframe.src = 'http://caniuse.com/#cats=SVG';
-document.body.appendChild(iframe);
