use white-eye for flow chooser popup control
diff --git a/web/ons-demo/css/layout.default.css b/web/ons-demo/css/layout.default.css
index 7b9da5e..018e728 100644
--- a/web/ons-demo/css/layout.default.css
+++ b/web/ons-demo/css/layout.default.css
@@ -58,6 +58,12 @@
 	position: relative;
 }
 
+#showFlowChooser {
+	position: relative;
+	display: -webkit-box;
+	-webkit-box-pack: center;
+}
+
 .selectedFlow .srcDPID, .selectedFlow .dstDPID {
 	-webkit-user-select: auto;
 }
@@ -67,12 +73,6 @@
 	height: 1.5em;
 }
 
-
-.flowId {
-	width: 5em;
-}
-
-
 .iperf {
 	width: 100%;
 	-webkit-box-flex: 1.0;