在 Bootstrap 4 中基于不同屏幕尺寸垂直和反向显示弹性元素
在不同屏幕尺寸上使用 column-reverse 类可以垂直反向显示弹性元素。
例如:在中型屏幕尺寸上,使用 md-column-reverse −
<div class="d-flex flex-md-column-reverse mb-3">
以下为 column 和 column reverse 之间的差异 −
以下是在不同屏幕尺寸上垂直反向显示弹性元素示例 −
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>Example</h2> <p>Flex on different screen size (Column)</p> <div class="d-flex flex-column"> <div class="p-2 bg-primary">First</div> <div class="p-2 bg-secondary">Second</div> <div class="p-2 bg-info">Third</div> </div> <p>Flex on different screen size (Medium - Column Reverse)</p> <div class="d-flex flex-md-column-reverse mb-3"> <div class="p-2 bg-info">First</div> <div class="p-2 bg-primary">Second</div> <div class="p-2 bg-danger">Third</div> </div> <p>Flex on different screen size (Large - Column Reverse)</p> <div class="d-flex flex-lg-column-reverse mb-3"> <div class="p-2 bg-info">First</div> <div class="p-2 bg-primary">Second</div> <div class="p-2 bg-danger">Third</div> </div> </div> </body> </html>
广告