does bootsrap work on html code example
Example 1: bootstrap cdn
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
Example 2: add cdn html
<!--In-between you head tags put:-->
<script src="SOURCE URL HERE"></script>
<!--For easy copy/paste:-->
<script src=""></script>