diff --git a/index.html b/index.html
index e5badda..cfc3565 100644
--- a/index.html
+++ b/index.html
@@ -146,7 +146,9 @@
                 <div class="col-md-12">
                     <center>
                         <h3>Watch the Demo</h3>
-                        <iframe width="853" height="480" src="https://www.youtube.com/embed/l8YpTOv7Q2A?rel=0&amp;showinfo=0" frameborder="0" allowfullscreen></iframe>
+                        <div class="embed-responsive embed-responsive-16by9">
+                          <iframe class="embed-responsive-item" src="https://www.youtube.com/embed/l8YpTOv7Q2A?rel=0&amp;showinfo=0" frameborder="0" allowfullscreen></iframe>
+                        </div>
                     </center>
                 </div>
             </div>