diff --git a/packages/core/src/style.css b/packages/core/src/style.css
index eed0db88..1cdfa51a 100644
--- a/packages/core/src/style.css
+++ b/packages/core/src/style.css
@@ -3,6 +3,7 @@
   width: 100%;
   height: 100%;
   overflow: hidden;
+  z-index: 0;
 }
 
 .vue-flow__container {