<html>
<head>
<link rel = "stylesheet" href = "https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.3.0/css/font-awesome.min.css">
<link rel = "stylesheet" href = "http://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<link rel = "stylesheet" href = "/css_buttons/bootstrap-social.css">
</head>
<body>
<a class = "btn btn-block btn-social btn-twitter">
<span class = "fa fa-twitter"></span>
Login with Twitter
</a>
</body>
</html>
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/265943.html