basic iperf data display
diff --git a/web/ons-demo/css/layout.default.css b/web/ons-demo/css/layout.default.css
index 018e728..5e1f1ce 100644
--- a/web/ons-demo/css/layout.default.css
+++ b/web/ons-demo/css/layout.default.css
@@ -76,6 +76,15 @@
 .iperf {
 	width: 100%;
 	-webkit-box-flex: 1.0;
+	position: relative;
+	display: -webkit-box;
+}
+
+.iperf-container {
+	position: absolute;
+	top: 0px;
+	height: 100%;
+	width: 100%;
 }
 
 #controllers {
diff --git a/web/ons-demo/css/skin.default.css b/web/ons-demo/css/skin.default.css
index 1ce4897..1d656b0 100644
--- a/web/ons-demo/css/skin.default.css
+++ b/web/ons-demo/css/skin.default.css
@@ -145,6 +145,12 @@
 	border-top: 1px solid #AAA;
 }
 
+path.iperfdata {
+	fill: none;
+	stroke-width: 2px;
+	stroke: rgba(255, 255, 255, .75);
+}
+
 #flowChooser {
 	pointer-events: none;
 	background-color: rgba(0, 0, 0, .25);