diff --git a/emscripten/webplayer.html b/emscripten/webplayer.html
index eb7dbc1a16..cda47725a6 100644
--- a/emscripten/webplayer.html
+++ b/emscripten/webplayer.html
@@ -18,10 +18,10 @@
          </ul>
       </div>
    </nav>
-   <div class="jumbotron">
+   <div class="bg-inverse">
       <div class="container">
-         <div class="webplayer_border" id="canvas_div" style="display: none">
-            <canvas class="webplayer" id="canvas" tabindex="1" oncontextmenu="event.preventDefault()"></canvas>
+         <div class="webplayer_border text-xs-center" id="canvas_div" style="display: none">
+            <canvas class="webplayer col-xs-12" id="canvas" tabindex="1" oncontextmenu="event.preventDefault()"></canvas>
          </div>
       </div>
    </div>