This is a simple JavaScript file using jQuery to show/hide the columns to help fronted development.
- Bootstrap 3.x or higher
- [jQuery] (http://jquery.com/)
- Include dev-ck.js into your HTML file.
<script src="/js/dev.js"></script>
The project includes the source file with less file and the un-minified JS
hope to work or if you wish to fork the script in order to allow the different media queries.