"Mobile first" means that the design is accessible on all devices and resolutions. Traditionally websites would be built primarily for large displays, and a sep

"Mobile first" means that the design is accessible on all devices and resolutions. Traditionally websites would be built primarily for large displays, and a separate mobile version would be tacked on, if the authors cared about those users. In 2023, there's no technical reason websites should be inaccessible on any device. Doing so intentionally is needlessly user-hostile.