diff --git a/views/ngXosViews/diagnostic/src/css/serviceTopology.css b/views/ngXosViews/diagnostic/src/css/serviceTopology.css
index 19a24a0..8c2bd42 100644
--- a/views/ngXosViews/diagnostic/src/css/serviceTopology.css
+++ b/views/ngXosViews/diagnostic/src/css/serviceTopology.css
@@ -48,12 +48,29 @@
     stroke-width: 1px;   
 }
 
-logic-topology .node.rack rect{
+/* RACK */
+logic-topology .node.rack > g > rect{
+    fill: #ccc;
+    stroke: steelblue;
+    stroke-width: 1px;
+}
+
+/* CP NODE */
+
+logic-topology .compute-node > rect{
     fill: #fff;
     stroke: steelblue;
     stroke-width: 1px;
 }
 
+/* INSTANCE */
+
+logic-topology .instance > rect{
+    fill: #eee;
+    stroke: steelblue;
+    stroke-width: 1px;
+}
+
 logic-topology .node .instance.active rect{
     fill: lightsteelblue;
     stroke: steelblue;