使用Bootstrap使一组按钮垂直显示
btn-group-vertical类使一组按钮显示为垂直堆叠而不是水平堆叠。
您可以尝试运行以下代码，以使一组按钮与一个垂直按钮组一起垂直显示
示例
<!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>
<div class = "btn-group-vertical">
<button type = "button" class = "btn btn-default">BCA</button>
<button type = "button" class = "btn btn-default">B.Tech</button>
<div class = "btn-group-vertical">
<button type = "button" class = "btn btn-default dropdown-toggle" data-toggle = "dropdown">
Masters
<span class = "caret"></span>
</button>
<ul class = "dropdown-menu">
<li><a href = "#">MCA</a></li>
<li><a href = "#">MBA</a></li>
<li><a href = "#">M.Tech</a></li>
<li><a href = "#">M.COM</a></li>
</ul>
</div>
</div>
</body>
</html>