CSS Cascade Layers
summary
CSS Cascade Layers let authors assign declarations to named bins whose order of establishment directly decides priority so app styles can override framework styles without fiddling with specificity. Layers can be created with @layer, @import, or declared empty then filled later; examples use reset, framework, app, behavior layers and show a hover override working. The modifier !important reverses layer order (important layer rules outrank nonimportant ones). Browser support is mostly green on caniuse so this is ready to experiment with.
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chapters (7)
- 0:00Start
- 4:20Conflicting instructions
- 5:34The Cascade
- 11:31CSS Layers and !important
- 13:10Example usage
- 16:13Browser support
- 17:42Questions?
