foundation/foundation-sites

Foundation for Sites is a collection of pre-built web design components, grids, buttons, navigation menus, form elements, and more, that help developers build websites and web apps that look correct and work properly on screens of any size, from phones to desktops. This kind of collection is called a front-end framework (front-end meaning the part of a website users see and interact with). The core feature is a responsive grid system: a way of dividing a page into columns that automatically rearrange themselves depending on how wide the browser window is. Foundation also provides a large set of Sass mixins, reusable style rules written in a preprocessor language called Sass that compiles down to regular CSS, so developers can customize the look without overriding defaults manually. JavaScript plugins handle interactive elements like modal windows, dropdown menus, and accordions. Foundation includes built-in accessibility support, meaning it follows standards that help people using screen readers or keyboard-only navigation. Someone would use Foundation when building a website or web application and wants a solid, customizable starting point for responsive layout and common UI (user interface) patterns without designing everything from scratch.