diff --git a/app/assets/stylesheets/new_design/new_header.scss b/app/assets/stylesheets/new_design/new_header.scss
index 14db1913d..2a717e5c8 100644
--- a/app/assets/stylesheets/new_design/new_header.scss
+++ b/app/assets/stylesheets/new_design/new_header.scss
@@ -108,6 +108,7 @@
   border: 1px solid $border-grey;
   min-width: 270px;
   max-width: 340px;
+  z-index: 10;
 
   &.open {
     display: block;