diff --git a/frontend/src/components/CustomNode.jsx b/frontend/src/components/CustomNode.jsx
index 83f5457..e2cf4f7 100644
--- a/frontend/src/components/CustomNode.jsx
+++ b/frontend/src/components/CustomNode.jsx
@@ -5,7 +5,7 @@ function CustomNode({ data }) {
 
   return (
     <div style={{
-      background: '#fff',
+      background: 'transparent',
       border: '2px solid #1976d2',
       borderRadius: 6,
       padding: 10,