title: Why Font-Awesome icon class is different
body: <p>Why fontawesome icon class is different</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
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  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script defer src="https://use.fontawesome.com/releases/v5.0.10/js/all.js" integrity="sha384-slN8GvtUJGnv6ca26v8EzVaR9DC58QEwsIk9q1QXdCU8Yu8ck/tL/5szYlBbqmS+" crossorigin="anonymous"&gt;&lt;/script&gt;
  &lt;link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css" rel="stylesheet" /&gt;
  
  
  &lt;i class="fa fa-edit"&gt;&lt;/i&gt;
  &lt;i class="fas fa-pencil"&gt;&lt;/i&gt;
  &lt;i class="fab fa-facebook"&gt;&lt;/i&gt;</code></pre>
  </div>
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  </p>