diff --git a/app/components/architecture-visualisation-cytoscape/style.js b/app/components/architecture-visualisation-cytoscape/style.js
index b546c7357875093d01d5d5308f69d2da6c44acca..903f99ca08e3c151edc5f6d2d327083eb035e62b 100644
--- a/app/components/architecture-visualisation-cytoscape/style.js
+++ b/app/components/architecture-visualisation-cytoscape/style.js
@@ -58,6 +58,11 @@ $node > node { /* compounds. "Nodes" in meta model. $ selects the parent node th
     background-color: ${serviceColor};
     color: ${serviceTextColor};
     font-weight: bold;
+    shadow-blur: 0;
+    shadow-color: #000;
+    shadow-offset-x: 2px;
+    shadow-offset-y: 2px;
+    shadow-opacity: 0.5;
 }
 [type="communicationInstance"] {
     color: #F4EFDC;