diff --git a/components/spin/demo/delayAndDebounce.md b/components/spin/demo/delayAndDebounce.md
index 04ab8140fa..3eb3295619 100644
--- a/components/spin/demo/delayAndDebounce.md
+++ b/components/spin/demo/delayAndDebounce.md
@@ -42,14 +42,3 @@ class Card extends React.Component {
 
 ReactDOM.render(<Card />, mountNode);
 ````
-
-````css
-.example {
-  text-align: center;
-  background: rgba(0,0,0,0.05);
-  border-radius: 4px;
-  margin-bottom: 20px;
-  padding: 30px 50px;
-  margin: 20px 0;
-}
-````