Design, build, and create with GitHub’s design systemPrimer was created for GitHub by GitHub. We love it so much, we chose to open-source it to allow the community to design and build their own projects with Primer.
Everything in one system
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Utility-centric and BEM-style components to give you the building blocks for any web project.
Presentational UI components with encapsulated styles and constraint-based theme props.
Build component-driven UI in Rails with ViewComponents.
Principles, standards, and usage guidelines for designing GitHub interfaces.
Design layouts, flows, wireframes, and make prototypes with Primer components in Figma.
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