diff --git a/index.html b/index.html
index 6c0b8fd..dc73dcd 100644
--- a/index.html
+++ b/index.html
@@ -132,5 +132,11 @@
 
     <script type="text/javascript" src="ractive-init.js"></script>
     <script type="text/javascript" src="reveal-init.js"></script>
+    <script type="text/javascript">
+      //  use for green screen background
+      if ($.urlParam('background')) {
+          $('body').css('background-color', $.urlParam('background'));
+      }
+    </script>
   </body>
 </html>
diff --git a/schedule.js b/schedule.js
index 23e2a3c..d14dd26 100644
--- a/schedule.js
+++ b/schedule.js
@@ -19,7 +19,6 @@ function Schedule(hallId, date, setPageTitle) {
         $.getJSON(apiEndpointPrefix + '/events.json', function(eventsData) {
             $.getJSON(apiEndpointPrefix + '/slots.json', function(slotsData) {
                 $.each(slotsData, function(slotId, slot) {
-                    console.info(slot);
                     $.extend(eventsData[slot['event_id'].toString()], slot);
                     $.extend(eventsData[slot['event_id'].toString()], {"slotId": slotId});
                 });
diff --git a/styles.css b/styles.css
index e822008..853a0ac 100644
--- a/styles.css
+++ b/styles.css
@@ -14,6 +14,8 @@ body,
 .reveal h5,
 .reveal h6 {
     font-family: "Roboto Condensed", tahoma, verdana, arial, sans-serif;
+    font-weight: bold;
+    -webkit-text-stroke: 0.01em black;
 }
 
 #background_video {