<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
Put <script src="stick-anything-js.js"></script>
just before the closing of <body>
tag.
Put <link href="stick-anything-js.css" rel="stylesheet">
just before the closing of <head>
tag.
Add sticky
class to the element you want to stick. Then put <div class="sticky-anchor"></div>
above it.