diff --git a/app/assets/stylesheets/region.sass b/app/assets/stylesheets/region.sass
index 4566216f25883c7953e273b7f759b2c9ca532744..aaa1a022632361451049cddcb70718cfd9456b21 100644
--- a/app/assets/stylesheets/region.sass
+++ b/app/assets/stylesheets/region.sass
@@ -5,7 +5,7 @@
     float: left
   ul
     margin: 0
-    z-index: 10
+    z-index: 500
     list-style: none
     text-align: left
     border-bottom-left-radius: 0.4em