diff --git a/public/assets/form/form.css b/public/assets/form/form.css
index 042d040d7..daa01d175 100644
--- a/public/assets/form/form.css
+++ b/public/assets/form/form.css
@@ -33,6 +33,7 @@
     width: 100%;
     height: 100%;
     text-align: center;
+    z-index: 999;
 }
 
 .modal:before {