Bootstrap 4中的.flex-column
使用 flex-column 类垂直展示 flex 元素 -
<div class="d-flex flex-column mb-3"> </div>
现在需要在 flex-column 类内添加 flex-item -
<div class="d-flex flex-column mb-3"> <div class="p-2 bg-primary"> First </div> <div class="p-2 bg-secondary"> Second </div> </div>
让我们通过一个示例来学习如何实现 Bootstrap 4 中的 flex-column 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 mt-3"> <h2>Flex Column</h2> <div class="d-flex flex-column mb-3"> <div class="p-2 bg-primary">First</div> <div class="p-2 bg-secondary">Second</div> <div class="p-2 bg-warning">Third</div> <div class="p-2 bg-danger">Fourth</div> <div class="p-2 bg-info">Fifth</div> </div> </div> </body> </html>
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