trycss_border-top 在线代码实例

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运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>W3Cschool教程(w3cschool.cn)</title>
<style>
    p 
    {
        border: medium double rgb(250,0,255)
    }
</style>
</head>
<body>
    <p>这是一个段落中的一些文本。</p>
</body>
</html>
 
 
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运行结果
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