diff --git a/web/css/site.css b/web/css/site.css
index 707c66d..d44558d 100644
--- a/web/css/site.css
+++ b/web/css/site.css
@@ -19,6 +19,11 @@ body {
 	padding: 14px 24px;
 }
 
+.not-set {
+	color: #c55;
+	font-style: italic;
+}
+
 /* add sorting icons to gridview sort links */
 a.asc:after, a.desc:after {
     position: relative;