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<head>
<title>Bootstrap 5 实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/js/bootstrap.min.js"></script>
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<body>
<div class="container-fluid p-5 bg-primary text-white text-center">
<h1>我的第一张 Bootstrap 页面</h1>
<p>请调整这张响应式页面的大小以查看效果！</p>
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<div class="container mt-5">
<div class="row">
<div class="col-sm-4">
<h3>列 1</h3>
<p>胜日寻芳泗水滨，无边光景一时新。</p>
<p>等闲识得东风面，万紫千红总是春。</p>
</div>
<div class="col-sm-4">
<h3>列 2</h3>
<p>纷纷红紫已成尘，布谷声中夏令新。</p>
<p>夹路桑麻行不尽，始知身是太平人。</p>
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<div class="col-sm-4">
<h3>列 3</h3>
<p>远上寒山石径斜，白云生处有人家。</p>
<p>停车坐爱枫林晚，霜叶红于二月花。</p>
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