Sponsors:

• Rollbar, sign up at https://rollbar.com/fullstackradio to try their Bootstrap Plan free for 90 days

Links:

• Diana's personal website
• Primer, GitHub's design system
• Primer modules on GitHub
• "Introducing Design Systems into Chaos", Diana's recent talk on her work on design systems at GitHub
• Percy, a visual regression testing tool
• Primer CSS on Twitter
• GitHub Design on Twitter