Pattern Lab (Elix)
These are the CSS and Elix components that are currently in use. Soon(ish) to be deprecated by new improved Stencil components and better CSS.
Storybook (Stencil)
These are the new improved Stencil components (work in progress), tailwind css, and better developer interface.
Migration comparision
Side by side view of old (Elix) and new (StencilJS components.
Pattern Lab (Elix)
Still available, but should not be in use anywhere.