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Collection
Collection
实例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>css</title>
<style type="text/css">
div{
width: 300px;
background-color: lightblue;
}
ul{ width: 200px;
background-color: lightgreen;
margin-top: 50px;
padding-top:30px;
}
li{
list-style: none;
width: 150px;
background-color: red;
padding: 3px 10px;
}
/*#first{
background-color: yellow;
text-align: center;
width: 50px;
}*/
/*#second{
background-color: green;
text-align: center;
width: 70px;
}
.third{
font-size: 2em;
text-align: right;
background-color: white;
}
.last{
width: 70px;
text-align: right;
margin-left: 80px;
*/
}
*[id]{
background-color: blue;
}
</style>
</head>
<body>
<div>
<ul>
<li id="first">一楼</li>
<li id="second">二楼</li>
<li class="third">三楼</li>
<li >四楼</li>
<li class="third">五楼</li>
<li class="last">六楼</li>
</ul>
</div>
</body>
</html>
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