diff --git a/README.md b/README.md
index 7fd268f..678982b 100644
--- a/README.md
+++ b/README.md
@@ -210,6 +210,7 @@
 * [CSS参考手册](http://css.doyoe.com/)
 * [Emmet 文档](http://yanxyz.github.io/emmet-docs/)
 * [前端代码规范](http://alloyteam.github.io/code-guide/) (腾讯alloyteam团队)
+* [HTML和CSS编码规范](http://codeguide.bootcss.com/)
 
 ### Dart