在线测试工具 | 千木教程

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<link rel="stylesheet" href="https://cdn.staticfile.org/font-awesome/4.7.0/css/font-awesome.css">
</head>
<body>
 
With fixed width:
<div class="list-group">
 <a href="#" class="list-group-item"> Home</a>
 <a href="#" class="list-group-item"> Library</a>
 <a href="#" class="list-group-item"> Applications</a>
 <a href="#" class="list-group-item"> Settings</a>
</div>

Without fixed width:
<div class="list-group">
 <a href="#" class="list-group-item"> Home</a>
 <a href="#" class="list-group-item"> Library</a>
 <a href="#" class="list-group-item"> Applications</a>
 <a href="#" class="list-group-item"> Settings</a>
</div>
 
</body>
</html>