Revamp Bliss phone demo

Now the phone demo runs on mp4! How sweet is that?
diff --git a/index.html b/index.html
index bc63362..c530176 100644
--- a/index.html
+++ b/index.html
@@ -123,7 +123,10 @@
                         <div>
                             <img src="images/phone_front.svg" style="max-height: 75%;max-width: 50%;vertical-align: middle;display: inline-flex;float: none" />
                             <div>
-                                <img src="images/bliss-demo.gif" style="max-height: 65%;max-width: 45%;vertical-align: middle;display: inline-flex;float: none;margin-top: -90%;z-index: 999" />
+                            	<video style="max-height: 65%;max-width: 45%;vertical-align: middle;display: inline-flex;float: none;margin-top: -90%;z-index: 999" autoplay loop>
+                            		<source src="images/bliss-demo.mp4" type="video/mp4">
+                            		Your browser does not support video!
+                            	</video>
                             </div>
                         </div>
                     </div>