diff --git a/www/index.html b/www/index.html
index 99b761606..49abbb283 100644
--- a/www/index.html
+++ b/www/index.html
@@ -82,7 +82,7 @@
       </div>
       <div style="font-size: 10%;">&nbsp;</div>
       <div class="row">
-        <div class="three columns">
+        <div class="twelve columns">
           <iframe width="560" height="315" src="https://www.youtube.com/embed/VuEqqENVj24?list=PLe3TW5jDbUAiN9E9lvYFLIFFqAjjZS9xS" frameborder="0" allowfullscreen></iframe>
         </div>
       </div>