src/frontEnd/main/app/template.html

<html>
  <head>
    <!-- Latest compiled and minified CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
    <!-- Optional theme -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">      
    <title>Boilerplate</title>
  </head>
  <body>
    <div id="root">
      <div
        id="login"
        class="fb-login-button"
        data-max-rows="1" 
        data-size="medium" 
        data-button-type="login_with"
        data-show-faces="false" 
        data-auto-logout-link="true" 
        data-use-continue-as="true">
      </div>
      <div id="main-container"></div>
    </div>
  </body>
</html>