Run Example

Edit This Code:
<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script>
</head>
<body>

 <div class="form-group">
  <label for="select1"> Select from the list: </label>
  <select class="form-control" id="select1">
   <option>option 1</option>
   <option>option 2</option>
   <option>option 3</option>
  </select>
 </div>

</body>
</html>
Result: