diff --git a/dist/priority-nav-core.css b/dist/priority-nav-core.css
index 476c321..d64614f 100644
--- a/dist/priority-nav-core.css
+++ b/dist/priority-nav-core.css
@@ -31,6 +31,7 @@
 
 .priority-nav__dropdown {
   position: absolute;
+  visibility: hidden;
 }
 
 .priority-nav__dropdown.show {