diff --git a/static/css/ietf.css b/static/css/ietf.css
index 47e449b98..2eb798aeb 100644
--- a/static/css/ietf.css
+++ b/static/css/ietf.css
@@ -128,6 +128,9 @@ label.required:after { content: "\2217"; color: #a94442; font-weight: bold; }
 .ballot-icon table .my { border: 2px solid #000;}
 .ballot-icon table { margin: 0 0 10px 10px; }
 
+/* Adjust the z-index of the ballot-icon tooltip so it doesn't obscure pop-over content */
+.ballot-icon:after { z-index: 1035; }
+
 /* Style the right-hand page navigation affix used on some pages. */
 
 #affix .nav > li > a {