Adjust styles a bit

assets/form.js

@@ -7,7 +7,8 @@ var layer1, layer2, suggested, aspectRatio, frameskip, read_bgs_dat;
 
 document.addEventListener('DOMContentLoaded', function() {
   if (true || navigator.userAgent.match('CriOS')) {
-    document.getElementById("ios-message").className = "col-xs-6";
+    document.getElementById("ios-message").className = 
+      document.getElementById("ios-message").className.replace( /hidden/ , '' );
   }
 
   layer1 = document.getElementById("layer1");

index.html

@@ -25,7 +25,7 @@
   <div class="container">
 
     <div class="row">
-      <div class="col-xs-6 col-sm-5">
+      <div class="col-xs-5">
         <div id="loading-indicator" class="spinner">
           <div class="cube1"></div>
           <div class="cube2"></div>
@@ -34,10 +34,7 @@
           Canvas.
         </canvas>
       </div>
-      <div class="col-xs-6 hidden" id="ios-message">
-        <p>Note: you might be using iOS, with a browser that's not Safari. Apple <a href="http://daringfireball.net/2011/03/nitro_ios_43">intentionally impedes JavaScript performance for browsers that aren't Safari</a>. Therefore, for the best performance of this demonstration on iOS, I unfortunately suggest you use Safari. Or, <a href="http://www.idownloadblog.com/2012/07/30/nitrous/">jailbreak your device</a> to allow the code to run smoothly in <em>any</em> browser.</p>
-      </div>  
-      <div class="col-xs-12 col-sm-7">
+      <div class="col-xs-7">
         <div class="row">
           <div class="col-sm-6">
               <h6>Change Background Animation</h6>
@@ -111,6 +108,11 @@ <h6>Change Presentation</h6>
         </div>
       </div>
     </div>
+    <div class="row hidden" id="ios-message">
+      <div class="col-xs-12 alert alert-warning">
+        <p>Note: you might be using iOS, with a browser that's not Safari. Apple <a href="http://daringfireball.net/2011/03/nitro_ios_43">intentionally impedes JavaScript performance for browsers that aren't Safari</a>. Therefore, for the best performance of this demonstration on iOS, I unfortunately suggest you use Safari, or view it on your computer. Or, <a href="http://www.idownloadblog.com/2012/07/30/nitrous/">jailbreak your device</a> to allow the code to run smoothly in <em>any</em> browser.</p>
+      </div>  
+    </div>
     <div class="row">
       <div class="col-xs-12">
         <hr />