diff --git a/src/components/grid-container/container-style.ts b/src/components/grid-container/container-style.ts
index 13bd4f3..0415011 100644
--- a/src/components/grid-container/container-style.ts
+++ b/src/components/grid-container/container-style.ts
@@ -60,7 +60,7 @@ export default css`
   }
 
   ::slotted(.container-master.selected) {
-    order: 10 !important;
+    z-index: 10 !important;
   }
 
   ::slotted(.container-master) {