CSS Houdini is coming! With it, we gain a new set of design and development arcane arts to leverage in superpowering our design systems! Best of all, we can start using many of Houdini’s powers today! This talk will focus on a handful of key browser specifications being developed under the CSS Houdini Task Force umbrella, with key interest given to features that can start to be leveraged today in design systems. We will cover briefly what CSS Houdini is and describe these key technologies in relation to common design system problems and patterns, and how Houdini can greatly improve the flexibility, power, performance, and maintainability of these patterns.