Features

Scratch provides management system for these fields:

• Colors
• Units
• Responsive breakpoints
• Typography set
• Gutters (or gaps)
• Writing directions
• Reset

We also have other libraries to enhance its possibilities:

• Grid system - two types of grid system.
• UI kit - rich library of UI components.
• Helpers - helper classes to use inline in HTML.
• Animations - CSS animations and transitions.

They are based on Scratch, and are great examples of using it. You have all separated on npm, or you can use them all together.

You can read more in Modules page.