Women of React 2020 has 2 hours of content in React design-systemsreact and more.
Women of React is an online conference where women take the (virtual) stage, but everyone is welcome to attend and participate! Watch the stream, ask your questions, forge new and meaningful connections, learn a little, laugh a little. Put together by and for women working with React, this event is small, from the heart, and very much a labor of love meant to bring people together.
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Drawing the Invisible: How to Explain React through Visual Metaphors
Maggie Appleton - 30 minsreact

Scalable Design Systems in ReactJS
Neha Sharma - 19 minsreactdesign-systems

Level up your Design System with styled-system
Taley'a Mirza - 20 minsreactdesign-systemsstyled-system

TL;DR Accessible Components: tips for building out accessible components
Yuraima Estevez - 29 minsreactaccessibility