codice:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>prova font awesome</title>
<link href="http://maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet" />
<style type="text/css">
ul {
    background: #FF0;
    border: 4px solid #000;
    overflow: hidden;
}
ul li {
    float: left;
    width: 200px;
    text-align: center;
}
ul li a {
    display: block;
}
ul li a span {
    font-family: FontAwesome;
}
</style>
</head>
<body>
<ul>
    <li><a href="http://www.html.it"><i class="fa fa-home fa-fw"></i><br /> 1515</a></li>
    <li><a href="http://www.html.it"><i class="fa fa-book fa-fw"></i><br /> 65656</a></li>
</ul>
<ul>
    <li><a href="http://www.html.it"><span>&#xf015;</span><br /> 1515</a></li>
    <li><a href="http://www.html.it"><span>&#xf015;</span><br /> 65656</a></li>
</ul>
</body>
</html>