在 Bootstrap 中设置元素的橙色边框以指示危险
如要为元素设置橙色边框,请使用 border-warning 类 −
<div class="mystyle border border-warning"> Danger (Orange border) </div>
设置元素的样式 −
<style> .mystyle { width: 200px; height: 100px; margin: 10px; } </style>
我们来看一个在 Bootstrap 中实现 border-warning 类示例 −
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> <style> .mystyle { width: 200px; height: 100px; margin: 10px; } </style> </head> <body> <div class="container"> <p>The following are two Rectangles:</p> <div class="mystyle border border-warning">Danger (Orange border)</div> </div> </body> </html>
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