<!DOCTYPE html>
<html>
<head>
<title>Иконки Font Awesome</title>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.1/css/all.css" integrity="sha384-50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf" crossorigin="anonymous">
</head>
<body>
<h2>Пример иконок</h2>
<p>Камера</p>
<i class="fas fa-camera"></i>
<p>Машина</p>
<i class="fas fa-car"></i>
<p>Конверт</p>
<i class="fas fa-envelope"></i>
</body>
</html>