diff --git a/threadr/style.css b/threadr/style.css
index 8f8a9c0..cb8333a 100644
--- a/threadr/style.css
+++ b/threadr/style.css
@@ -202,6 +202,7 @@ ul.topnav {
   padding: 0;
   overflow: hidden;
   background-color: #001858;
+  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
 }
 
 /*.topnav a:hover, .dropdown:hover .dropbtn {