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Legal Studies把一个元素放在 Bootstrap 4 中父元素的中间
使用 align-middle 类可把一个元素置于父元素的中间。
把一个元素置于中间 −
<span class="align-middle"> Middle Alignment </span>
让我们看一个示例来实现 Bootstrap 4 中的 align-middle 类 −
示例
<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Example</h2> <p>This is demo text<p> <span class="align-baseline">Demo Baseline</span> <span class="align-top">Top Alignment</span> <span class="align-middle">Middle Alignment</span> <span class="align-bottom">Bottom Alignment</span> </div> </body> </html>
更新于： 16-Jun-2020
287 次浏览
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