App下载
实例代码( Tip: 登录后体验更佳 )
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool(w3cschool.cn)</title>
<style>
p.ex1 {margin-left:2cm;}
</style>
</head>
<body>
<p>A paragraph with no margins specified.</p>
<p class="ex1">A paragraph with a 2cm left margin.</p>
<p>A paragraph with no margins specified.</p>
</body>
</html>
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运行结果