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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
<style>
p
{
min-width:150px;
background-color:yellow;
}
</style>
</head>
<body>
<p>这个段落的最小宽度设置为150px.</p>
</body>
</html>