diff --git a/core/modules/overlay/overlay-child.css b/core/modules/overlay/overlay-child.css
index 26e045c..aa23d37 100644
--- a/core/modules/overlay/overlay-child.css
+++ b/core/modules/overlay/overlay-child.css
@@ -21,8 +21,8 @@
   min-height: 100px;
   min-width: 700px;
   position: relative;
-  padding-bottom: 2em;
   width: 50%;
+  box-shadow: 0 0 2em 0 rgba(0,0,0,0.5);
 }
 #overlay-content {
   clear: both;