title: Google play icon not appearing (fontawsome)
body: <p>I want to add google play and apple icons with the download button
  the apple icon works fine but the google play doesn't show and i don' know why</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;link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css"&gt;
  &lt;h1&gt;Meet new and interesting dogs nearby.&lt;/h1&gt;
  &lt;button type="button" class="btn btn-dark btn-lg"&gt;&lt;i class="fa fa-apple"&gt;&lt;/i&gt;Download&lt;/button&gt;
  &lt;button type="button" class="btn btn-outline-light btn-lg"&gt;&lt;i class="fab fa-google-play"&gt;&lt;/i&gt;Download 2&lt;/button&gt;</code></pre>
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