title: Bootstrap pull-right not working
body: <p>I have problem with bootstrap class <code>pull-right</code>. My <code>span</code> is still floated left. So, I don't know why <code>pull-right</code> class not working.</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;!DOCTYPE html&gt;
  &lt;html lang="cs"&gt;
  
  &lt;head&gt;
    &lt;meta charset="utf-8"&gt;
    &lt;meta name="author" content="Vojtěch Matras"&gt;
    &lt;title&gt;Admin Express Blogs&amp;Magazines&lt;/title&gt;
    &lt;link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" integrity="sha384-WskhaSGFgHYWDcbwN70/dfYBj47jz9qbsMId/iRN3ewGhXQFZCSftd1LZCfmhktB" crossorigin="anonymous"&gt;
    &lt;script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"&gt;&lt;/script&gt;
    &lt;script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"&gt;&lt;/script&gt;
    &lt;script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js" integrity="sha384-smHYKdLADwkXOn1EmN1qk/HfnUcbVRZyYmZ4qpPea6sjB/pTJ0euyQp0Mk8ck+5T" crossorigin="anonymous"&gt;&lt;/script&gt;
  &lt;/head&gt;
  
  &lt;body&gt;
    &lt;header&gt;
      &lt;nav class="navbar navbar-expand-md bg-dark navbar-dark"&gt;
        &lt;span class="text-light"&gt;AdminPanel&lt;/span&gt;
        &lt;span class="text-light pull-right"&gt;[@role][@nickname]&lt;/span&gt;
      &lt;/nav&gt;
    &lt;/header&gt;
    &lt;main&gt;
    &lt;/main&gt;
  &lt;/body&gt;
  
  &lt;/html&gt;</code></pre>
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