Modern CSS — Before

:has() Selector

Plain card

No special styling

demo

Card with image

Blue border via :has(img)

Card with badge NEW

Green border via :has(.badge)

CSS Nesting

Parent (blue)
Child (lighter)
Grandchild (lightest)

@layer Cascade

Base → Components (blue wins)
Base → Components → Overrides (amber wins)

Logical Properties

padding-inline: 24px, border-inline-start: 4px blue
border-inline-start: red variant
border-inline-start: green variant

Subgrid-like alignment

Starter

Perfect for small projects and personal use.

$9/mo

Professional

For growing teams that need advanced features and priority support.

$29/mo

Enterprise

Custom solutions.

Custom

color-mix()

+25% white
+50% white
+25% black
+50% red