使用nav-stacked类将药丸垂直放置。使用.nav-stacked类和.nav，.nav-pills类垂直设置药丸。
您可以尝试运行以下代码以在Bootstrap中设置垂直药丸-
<!DOCTYPE html> <html> <head> <title>Bootstrap Example</title> <link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet"> <script src = "/scripts/jquery.min.js"></script> <script src = "/bootstrap/js/bootstrap.min.js"></script> </head> <body style = "background: orange;"> <h2>Subjects</h2> <ul class = "nav nav-pills nav-stacked"> <li class = "active"><a href = "#">Java</a></li> <li><a href = "#">WordPress</a></li> <li><a href = "#">JavaScript</a></li> </ul> </body> </html>