diff --git a/src/Controller.html b/src/Controller.html
index 3af4c71c..4cf9e338 100644
--- a/src/Controller.html
+++ b/src/Controller.html
@@ -257,7 +257,7 @@
 
   .rr-progress {
     width: 100%;
-    height: 4px;
+    height: 12px;
     background: #eee;
     position: relative;
     border-radius: 3px;