From abc8b4c1e7e39b4a3ab7b77ec3f13240324f0668 Mon Sep 17 00:00:00 2001
From: Benjy Cui <benjytrys@gmail.com>
Date: Fri, 11 Mar 2016 09:45:06 +0800
Subject: [PATCH] docs: update demo

---
 components/card/demo/grid.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/card/demo/grid.md b/components/card/demo/grid.md
index 33de59d1b2..17df59e85c 100644
--- a/components/card/demo/grid.md
+++ b/components/card/demo/grid.md
@@ -26,11 +26,11 @@ ReactDOM.render(
 
 ````css
 /* 增加 16px 栅格间距 */
-.row {
+.code-box-demo .row {
   margin-left: -8px;
   margin-right: -8px;
 }
-.row > div {
+.code-box-demo .row > div {
   padding: 0 8px;
 }
 ````