diff --git a/src/app/service-graph/components/graph/graph.component.scss b/src/app/service-graph/components/graph/graph.component.scss
index 40b6f11..5d773a1 100644
--- a/src/app/service-graph/components/graph/graph.component.scss
+++ b/src/app/service-graph/components/graph/graph.component.scss
@@ -73,12 +73,12 @@
 
     .node {
       cursor: pointer;
+      fill: $background-color;
     }
 
     .node.service {
       > rect {
         stroke: $color-accent;
-        fill: $background-color;
       }
       > .icon {
         fill: $color-accent;
@@ -87,11 +87,28 @@
 
     .node.serviceinstance {
       > rect {
-        stroke: green;
-        fill: $background-color;
+        stroke: $serviceinstances-fg;
       }
       > .icon {
-        fill: green;
+        fill: $serviceinstances-fg;
+      }
+    }
+
+    .node.instance {
+      > rect {
+        stroke: $instances-fg;
+      }
+      > .icon {
+        fill: $instances-fg;
+      }
+    }
+
+    .node.network {
+      > rect {
+        stroke: $networks-fg;
+      }
+      > .icon {
+        fill: $networks-fg;
       }
     }
 
@@ -114,12 +131,21 @@
     }
 
     line.ownership {
-      stroke: green;
+      stroke: $serviceinstances-fg;
       stroke-dasharray: 5;
     }
 
     line.serviceinstancelink {
-      stroke: green;
+      stroke: $serviceinstances-fg;
+    }
+
+    line.instance_ownership {
+      stroke: $instances-fg;
+      stroke-dasharray: 5;
+    }
+
+    line.port {
+      stroke: $networks-fg;
     }
   }
   .arrow-marker {
diff --git a/src/app/service-graph/components/graph/graph.component.ts b/src/app/service-graph/components/graph/graph.component.ts
index 5f84384..ed36654 100644
--- a/src/app/service-graph/components/graph/graph.component.ts
+++ b/src/app/service-graph/components/graph/graph.component.ts
@@ -26,7 +26,7 @@
 import {IXosServiceGraphIcons} from '../../services/d3-helpers/graph-icons.service';
 import {IXosNodePositioner} from '../../services/node-positioner.service';
 import {IXosNodeRenderer} from '../../services/renderer/node.renderer';
-import {IXosSgNode} from '../../interfaces';
+import {IXosSgLink, IXosSgNode} from '../../interfaces';
 import {IXosGraphConfig} from '../../services/graph.config';
 
 class XosServiceGraphCtrl {
@@ -74,7 +74,6 @@
         graph => {
           this.graph = graph;
           if (this.graph.nodes().length > 0) {
-            this.loader = false;
             this.renderGraph(this.graph);
           }
         },
@@ -154,6 +153,7 @@
 
     this.XosNodePositioner.positionNodes(svgDim, nodes)
       .then((nodes: IXosSgNode[]) => {
+        this.loader = false;
 
         this.forceLayout
           .nodes(nodes)
@@ -162,6 +162,15 @@
           .linkDistance(config.force.linkDistance)
           .charge(config.force.charge)
           .gravity(config.force.gravity)
+          .linkStrength((link: IXosSgLink) => {
+            switch (link.type) {
+              case 'ownership':
+              case 'instance_ownership':
+                // NOTE make "ownsership" links stronger than other for positioning
+                return 1;
+            }
+            return 0.1;
+          })
           .start();
 
         // render nodes