Polaris is the design system for the Shopify admin. It includes components, icons and styles for developing high-quality merchant experiences in Shopify.

We are pleased to bring the power of brainstorming to ideate ecommerce apps with Shopify Polaris UI kit. This UI kit brings in over 140 components in 12 categories including buttons, form elements, cards, avatars, badges, modals and more...

To know more and install check here