diff --git a/src/app/service-graph/components/fine-grained/fine-grained.component.scss b/src/app/service-graph/components/fine-grained/fine-grained.component.scss
index c7fcfbc..37605f9 100644
--- a/src/app/service-graph/components/fine-grained/fine-grained.component.scss
+++ b/src/app/service-graph/components/fine-grained/fine-grained.component.scss
@@ -41,7 +41,7 @@
         stroke: blue;
       }
 
-      &.tenant > rect{
+      &.tenant, &.serviceinstance > rect{
         stroke: green;
       }
 
@@ -60,6 +60,15 @@
   .link-group {
     line {
       stroke: $color-accent;
+
+      &.ext-service-instance {
+        stroke: green;
+      }
+
+      &.ext-owner {
+        stroke: green;
+        stroke-dasharray: 5;
+      }
     }
   }
   .arrow-marker {