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3月21日作业：基本选择器，属性选择器
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>基本选择器和属性选择器</title>
<style type="text/css">
ul {
padding: 0;
margin: 0;
width: 450px;
border: 1px dashed #666;
padding: 10px 5px;
}
ul:after {
content:'';
display: block;
clear:both;
}
li {
list-style: none;
float: left;
width: 40px;
height: 40px;
line-height: 40px;
text-align: center;
border-radius: 50%;
background: skyblue;
margin-right: 5px;
}
#item1 {
}
.green {
}
ul li {
color: white;
}
ul * {
}
ul > li {
background-color: blue;
}
#item2 + li {
background-color: black;
}
#item2 ~ li {
background-color: coral;
}
</style>
</head >
<body >
<ul>
<li id="item1">php</li>
<li class="green">中</li>
<li class="green">文</li>
<li class="">网</li>
<li>欢</li>
<li id="item2">迎</li>
<li>你</li>
<li>的</li>
<li>观</li>
<li>看</li>
</ul>
</body>
</html>点击 "运行实例" 按钮查看在线实例
手抄基本选择器案例代码
