!important in Layers Tester - Online Cascade Behavior
Understand how !important behaves inside @layer vs unlayered styles. Interactive example. Avoid common pitfalls.
UD5 Toolkit
Understand how !important behaves inside @layer vs unlayered styles. Interactive example. Avoid common pitfalls.
See how revert‑layer removes styles from the current cascade layer and falls back to the previous one. Fix specificity wars.
Define multiple @layer blocks and see which styles win. Understand layer order and revert‑layer. Modern CSS architecture.