diff --git a/views/ngXosViews/diagnostic/src/css/serviceTopology.css b/views/ngXosViews/diagnostic/src/css/serviceTopology.css
index 525ca41..19a24a0 100644
--- a/views/ngXosViews/diagnostic/src/css/serviceTopology.css
+++ b/views/ngXosViews/diagnostic/src/css/serviceTopology.css
@@ -4,6 +4,16 @@
     height: 50%;
 }
 
+diagnostic .onethird-height {
+    position: relative;
+    height: 33%;
+}
+
+diagnostic .twothird-height {
+    position: relative;
+    height: 67%;
+}
+
 diagnostic .subscriber-select{
     max-width: 200px;
     position: absolute;