0309.2019
[FRONT-END]GUIDE
Using CSS custom properties at scale
Building a maintainable token layer while retaining fallbacks for browsers outside the supported custom-property baseline.
Building a maintainable token layer while retaining fallbacks for browsers outside the supported custom-property baseline.
Validating resource discovery and browser behaviour rather than relying on multiplexing as an automatic performance strategy.
Practical use of srcset, sizes and picture across uneven browser support, real content and production build systems.