The CSS3 logo as a head atop a torso with its arms folded across its chest. I am a big proponent of the First Rule of ARIA (don’t use ARIA). But ARIA brings a lot to the table that HTML does not, such as complex widgets and state information that…| Adrian Roselli
Chrome| caniuse.com
Defining the inputs instead of trying to control the outputs.| adactio.com
We all have run into CSS collisions and sudden regressions in our codebases when new styles are written or 3rd-party styles are added. This is because of the interdependence of styles due to source order, specificity, and inheritance. Some ways to control the cascade have included methodologies like ITCSS and BEM and other newer native features. Cascade layers will be the ultimate native solution for resolving conflicts between multiple sources of styles. Cascade layers introduce the new at...| Smashing Magazine
When authoring CSS we have to carefully think about how we write and structure our code. Cascade Layers (CSS @layer) aim to ease this task.| Bram.us
This is your complete guide to CSS cascade layers, a CSS feature that allows us to define explicit contained layers of specificity.| CSS-Tricks
See how building with accessible semantics from the get-go can give you expressive, meaningful style hooks for free.| Ben Myers
Whether you choose to completely write your own CSS, or use a framework, understanding selectors, the cascade, and specificity are critical to developing CSS and modifying existing style rules.| Modern CSS Solutions