Design systems have become core to the way we design and build at GitHub. Since 2011 GitHub designers have documented UI patterns and shared common styles. In 2012, CSS and other assets were packaged up into a Ruby Gem for use in GitHub websites — this package was named Primer. Primer continued to be used internally for years before eventually having its CSS and accompanying documentation open-sourced as Primer CSS. In 2016 the design systems team was formed with its first full-time employees. …

About

Diana Mounter

Design systems manager at GitHub. Organizes NYC Design Systems Coalition. Fan of potatoes. http://broccolini.net

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