Open source UI components and visual style guide to create consistency and beautiful user experiences across U.S. federal government websites:  “Tools for creating beautiful online experiences for the American people Built and maintained by a team of U.S. Digital Service and 18F designers and developers, this resource is built on the highest standards of 508 compliance, reuses best practices of existing style libraries and modern web design to guide us in creating beautiful and easy-to-use online experiences for the American people.”