diff --git a/resources/static/dialog/css/popup.css b/resources/static/dialog/css/popup.css
index abb502c2312c35c0ef52194227d9ff7bd70104e0..600016f1f56b390339468600baea1e6c90e377b9 100644
--- a/resources/static/dialog/css/popup.css
+++ b/resources/static/dialog/css/popup.css
@@ -79,6 +79,10 @@ section > .contents {
     transition-delay: 0.5s;
 }
 
+#wait, #delay {
+  background-image: url("/i/bg.png");
+}
+
 .waiting #wait {
     z-index: 1;
     -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";