diff --git a/static/css/theme.css b/static/css/theme.css
index f18b334463..b8fcb714b9 100644
--- a/static/css/theme.css
+++ b/static/css/theme.css
@@ -170,7 +170,6 @@ dd {
     margin: .25rem 0 0 0;
     min-width: 1rem;
     position: absolute;
-    z-index: -1;
 }
 
 #sidebar ul li.visited > a .read-icon {