Bootstrap5 实例</title>

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  <meta name="viewport" content="width=device-width, initial-scale=1">

  <link href="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet">

  <script src="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script>

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<div class="container mt-3">

  <h2>单独显示在尾部</h2>

  <p> .align-self-*-end 类据不同屏幕设备，让单独一个子元素显示在尾部。</p>

  <p>重置浏览器窗口大小，查看效果。 <strong>注意:</strong> align-self-stretch 是默认的。</p>

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  <p><code>.align-self-end</code>:</p>

  <div class="d-flex bg-light" style="height:150px">

    <div class="p-2 border">Flex item 1</div>

    <div class="p-2 border align-self-end">Flex item 2</div>

    <div class="p-2 border">Flex item 3</div>

  </div>