input radio checkbox b4 style

<!DOCTYPE html>
<html>
<head>
  <title>INPUT RADIO CHECKBOX B4 STYLE | par NGLESSON</title>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <meta name="author" content="Mezgani said">
  <meta name="copyright" content="NGLESSON">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
</head>
<body>
  <div class="container">
    <form class="mt-5">
      <div class="custom-control custom-radio custom-control-inline">
      <input type="radio" class="custom-control-input" id="customRadio" name="example" value="customEx">
      <label class="custom-control-label" for="customRadio">Custom radio 1</label>
      </div>
      <div class="custom-control custom-radio custom-control-inline">
      <input type="radio" class="custom-control-input" id="customRadio2" name="example" value="customEx">
      <label class="custom-control-label" for="customRadio2">Custom radio 2</label>
      </div>
    </form>								
    <form action="">
      <div class="custom-control custom-switch">
        <input type="checkbox" class="custom-control-input" id="switch1" name="example">
        <label class="custom-control-label" for="switch1">Toggle me</label>
      </div>
      <br>
      <button type="submit" class="btn btn-primary">Submit</button>
    </form>
  </div>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>  
</body>
</html>