使用Bootstrap中的.btn-success类为元素设置肯定动作。您可以尝试运行以下代码来实现.btn-success类-
<!DOCTYPE html> <html> <head> <title>Bootstrap Example</title> <link rel = "stylesheet" href = "https://maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css"> <script src = "https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script> <script src = "https://maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> </head> <body> <p>The following are FMCG companies:</p> <div class = "btn-default"> <button type = "button" class = "btn btn-primary">ITC Limited</button> <button type = "button" class = "btn btn-primary">Nestle</button> <button type = "button" class = "btn btn-primary">Britannia Industries Limited</button> </div> <p>Click below if the above list is correct:</p> <button type = "button" class = "btn btn-success">Success</button> </body> </html>