01Promotes the use of fluid layouts, flexible grids, and relative units (rem, em, %) for scalable and adaptive designs.
02Includes standards for readable, responsive typography and optimizing images with `srcset` and modern formats.
03213 GitHub stars
04Provides guidelines for creating touch-friendly interfaces with minimum target sizes (44x44px) and adequate spacing.
05Defines a structured approach to using standard breakpoints and provides a verification checklist for testing across devices.
06Enforces a mobile-first development workflow, starting with base styles for small screens and progressively enhancing for larger ones.