diff --git a/web/gui/src/main/webapp/app/fw/svg/spriteData.js b/web/gui/src/main/webapp/app/fw/svg/spriteData.js
index 756d4b1..b806ae9 100644
--- a/web/gui/src/main/webapp/app/fw/svg/spriteData.js
+++ b/web/gui/src/main/webapp/app/fw/svg/spriteData.js
@@ -55,12 +55,12 @@
         // ----------------------------------------------------------$$$
         // This following code is for initial development of Topo2 sprite layer
         ssApi.createSprite('rack', 40, 50)
-            .addRect(0, 0, 40, 50)
+            .addRect(0, 0, 40, 50, {fill: 'gold1'})
             .addPath([
                 'M5,20h30v5h-30z',
                 'M5,30h30v5h-30z',
                 'M5,40h30v5h-30z'
-            ])
+            ], {stroke: 'gray1'})
             .register();
 
         ssApi.createLayout('segmentRouting', 130, 75)