How to use bootstrap in laravel mail template

I am tried more then 20 times to getting button with href using bootstrap in mail tamplate but it not give right output.

<link rel="stylesheet" href="http://ift.tt/1JetChn">
  <script src="http://ift.tt/1ROJ5xx"></script>
  <script src="http://ift.tt/1RY4jZJ"></script>

<a href="http://google.com" class="btn btn-success">Yes</a> 

via Chebli Mohamed