diff --git a/projects/demo/src/modules/components/push/examples/1/index.less b/projects/demo/src/modules/components/push/examples/1/index.less
index 87f596322599..7d7c7f6e5dfd 100644
--- a/projects/demo/src/modules/components/push/examples/1/index.less
+++ b/projects/demo/src/modules/components/push/examples/1/index.less
@@ -10,6 +10,7 @@
     max-inline-size: 100%;
     border-radius: var(--tui-radius-l);
     margin-bottom: 1rem;
+    background: var(--tui-background-elevation-3);
 }
 
 .push {