http://jokeronaldo.github.io/semantic-ui-fixed-sidebar-no-overlay/
semantic-ui (obvious) with the following components:
- sidebar
- popup
- dropdown
Just clone or extract files at the root of your project
You may change directories relative to your semantic install at:
<script src="semantic/dist/semantic.min.js"></script>
<link rel="stylesheet" type="text/css" href="semantic/dist/semantic.min.css">