Bootstrap Tutorial - Buttons on Navigation Bar

For buttons not residing in a <form>, add this class to vertically center buttons within a navbar.

Example

<!DOCTYPE HTML>
<html>
<head>
<link href="http://java2s.com/style/bootstrap.min.css" rel="stylesheet">
<!--from   ww  w. j  a  va 2  s.  c o  m-->
<script src="http://java2s.com/style/jquery-1.8.0.min.js"></script>
<script src="http://java2s.com/style/bootstrap.min.js"></script>

</head>
<body style='margin: 20px;'>

  <div class="navbar">
    <a href="#" class="navbar-brand">Brand</a>
    <button type="button" class="btn btn-default navbar-btn">Sign
      in</button>
  </div>

</body>
</html>

Click to view the demo