https://blog.youkuaiyun.com/aa2635aaazh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/aa2635aaa/article/details/78857747https://blog.youkuaiyun.com/aa2635aaa/article/details/78857747aa2635aaaWed, 20 Dec 2017 21:17:46 +0800https://blog.youkuaiyun.com/aa2635aaa/article/details/78776099https://blog.youkuaiyun.com/aa2635aaa/article/details/78776099aa2635aaaMon, 11 Dec 2017 19:59:19 +0800 head> style type="text/css"> div#header { background-color:green; } style> head> body> div id="header">澳大利亚div> div>中国div> body> html>   上面的例子中第1div的背景为green，而第2个div的背景还是白色。 div#header这个样]]>https://blog.youkuaiyun.com/aa2635aaa/article/details/78770746https://blog.youkuaiyun.com/aa2635aaa/article/details/78770746aa2635aaaMon, 11 Dec 2017 12:54:33 +0800https://blog.youkuaiyun.com/aa2635aaa/article/details/78661020https://blog.youkuaiyun.com/aa2635aaa/article/details/78661020aa2635aaaWed, 29 Nov 2017 06:48:07 +0800https://blog.youkuaiyun.com/aa2635aaa/article/details/78652220https://blog.youkuaiyun.com/aa2635aaa/article/details/78652220aa2635aaaTue, 28 Nov 2017 10:21:10 +0800https://blog.youkuaiyun.com/aa2635aaa/article/details/78649490https://blog.youkuaiyun.com/aa2635aaa/article/details/78649490aa2635aaaMon, 27 Nov 2017 21:43:52 +0800https://blog.youkuaiyun.com/aa2635aaa/article/details/78649352https://blog.youkuaiyun.com/aa2635aaa/article/details/78649352aa2635aaaMon, 27 Nov 2017 21:31:33 +0800