trycss_unit_cm 在线代码实例

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
<style>
h1 {font-size: 1.5cm;}
h2 {font-size: 1cm;}
p {
    font-size: 0.5cm;
    line-height: 1cm;
}
</style>
</head>
<body>
<h1>这是一个标题 1</h1>
<h2>这是一个标题 2</h2>
<p>这是一个段落。</p>
<p>这是另一个段落。</p>
</body>
</html>
 
 
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运行结果
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