Grid System and Utility Classes
Foundation is one of the frameworks that adheres to the mobile-first approach. In the earlier days, designers used the traditional approach wherein you built a website for desktops or larger screens initially and then worked them into a watered-down version for mobile devices. Such an approach was tedious—even more so when you tried to create an intuitive and feature-rich website. Add code readability and maintenance to it, and you had a big task on your hands.
However, the mobile-first paradigm advocates designing for smaller screens and then adding content and additional features for the desktop platform. ...