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css中伪元素before或after中content的特殊用法attr

2017-08-02 00:00 489 查看 


<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<title>Document</title>
</head>

<body>
<div class="box">
<span class="haorooms" name="开">开</span>
<span class="haorooms" name="源">源</span>
<span class="haorooms" name="中">中</span>
<span class="haorooms" name="国">国</span>
</div>
</body>
<style>
.haorooms {
position: relative;
display: inline-block;
font-size: 80px;
color: black;
overflow: hidden;
white-space: pre;
}

.haorooms:before {
display: block;
z-index: 1;
position: absolute;
top: 0;
left: 0;
width: 50%;
content: attr(name);
overflow: hidden;
color: #f00;
}

</style>

</html>
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