diff --git a/styles/darkblue/displayParticipants.css b/styles/darkblue/displayParticipants.css
index 74c394f032d..c97188ee162 100644
--- a/styles/darkblue/displayParticipants.css
+++ b/styles/darkblue/displayParticipants.css
@@ -23,4 +23,8 @@ background-image:url('images/search.gif');
 	border-radius: 3px;
 	margin: 8px;
 
+}
+
+#displayparticipants tr.ui-widget-content {
+	border: 0 none;
 }
\ No newline at end of file