Sorting Cascade Layers

@layer reset, components, utilities;

@import url(vendor-1.css) layer(reset)
@import url(vendor-2.css) layer(utilities)
@import url(vendor-3.css) layer(utilities)
@layer components { … }
@layer utilities { … }
@layer utilities { … }
/* unlayered … */
@layer reset { … }
@layer utilities { … }