<head>
section.<link href="//maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" type="text/css">
The icon font for Ionic Framework.
<head>
section.<link href="//code.ionicframework.com/ionicons/2.0.1/css/ionicons.min.css" rel="stylesheet" type="text/css">
<head>
section.<link href="//cdn.rawgit.com/stephenhutchings/typicons.font/master/src/font/typicons.min.css" rel="stylesheet" type="text/css">
<head>
section.<link href="//cdn.linearicons.com/free/1.0.0/icon-font.min.css" rel="stylesheet" type="text/css">