本章介绍Font Awesome Payment图标的用法.假设自定义是CSS类名，我们在其中定义了大小和颜色，如下面给出的示例所示.
<html>
<head>
<link rel = "stylesheet" href = "https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.3.0/css/font-awesome.min.css">
<style> i.custom {font-size: 2em; color: gray;}
</style>
</head>
<body> <i class = "fa fa-adjust custom"></i>
</body>
</html>下表显示了Font Awesome Payment图标的用法和结果.替换<身体>上面程序的标签，用表中给出的代码得到相应的输出 :
| 用法 | 结果 |
|---|---|
| < i class ="fa fa -cc-amex custom"></i> | |
| < i class ="fa fa-cc-diners-club custom"></i> | |
| < i class ="fa fa-cc-discover custom"></i> | |
| < i class ="fa fa-cc-jcb custom"></i> | |
| < i class ="fa fa-cc-mastercard custom"></i> | |
| < i class ="fa fa-cc-paypal custom"></i> | |
| < i class ="fa fa-cc-stripe custom"></i> | |
| < i class ="fa fa-cc-visa custom"></i> | |
| < ; i class ="fa fa-credit-card custom"></i> |
