better traffic styling
diff --git a/web/ons-demo/css/skin.default.css b/web/ons-demo/css/skin.default.css
index dd1ed8e..adc4e18 100644
--- a/web/ons-demo/css/skin.default.css
+++ b/web/ons-demo/css/skin.default.css
@@ -80,8 +80,8 @@
 
 path.flow {
 	fill: none;
-	stroke-width: 3px;
-	stroke: white;
+	stroke-width: 2px;
+	stroke: rgba(255, 255, 255, .35);
 }
 
 #selectedFlowsHeader {