Responsive UI Package for SharePoint on-premises (2013 and 2016) - !important | SharePoint Branding
If you’re like me and get a lot of requests to make SharePoint sites responsive (it is 2016 afterall!), here’s a great read and some excellent resources courtesy of the SP Patterns & Practices team to make your life a little easier: Looking for the SharePoint Online version? That can be found in the Read More