Bootstrap navbar-inverse类
要创建一个黑色背景白色文本的反向导航条，只需将.navbar-inverse类添加到.navbar类中。
示例
您可以尝试运行以下代码来实现navbar-inverse类-
<!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>
<nav class = "navbar navbar-inverse" role = "navigation">
<div class = "navbar-header">
<a class = "navbar-brand" href = "#">TutorialsPoint</a>
</div>
<div>
<ul class = "nav navbar-nav">
<li class = "active"><a href = "#">iOS</a></li>
<li><a href = "#">SVN</a></li>
<li class = "dropdown">
<a href = "#" class = "dropdown-toggle" data-toggle = "dropdown">
Java
<b class = "caret"></b>
</a>
<ul class = "dropdown-menu">
<li><a href = "#">jmeter</a></li>
<li><a href = "#">EJB</a></li>
<li><a href = "#">Jasper Report</a></li>
<li class = "divider"></li>
<li><a href = "#">Separated link</a></li>
<li class = "divider"></li>
<li><a href = "#">One more separated link</a></li>
</ul>
</li>
</ul>
</div>
</nav>
</body>
</html>