We now have full control over
which styles take priority in a project
without relying on specificity hacks or !important.
This guide is intended to help you fully understand
what cascade layers are for,
how and why you might choose to use them,
the current levels of support,
and the syntax.
Cascade layers are a new CSS feature that allows us to define explicit contained layers of specificity.
A Complete Guide to CSS Cascade Layers
