diff --git a/build/less/boxes.less b/build/less/boxes.less
index 29acc33aa..dc28d471f 100644
--- a/build/less/boxes.less
+++ b/build/less/boxes.less
@@ -144,7 +144,7 @@
   }
 
   .overlay {
-    z-index: 1010;
+    z-index: 50;
     background: rgba(255, 255, 255, 0.7);
     .border-radius(@box-border-radius);
     > .fa {