In the past couple of years, we've witnessed yet another tectonic shift in the world of front-end styling—CSS Modules, CSS in JavaScript, and the controversial revival of inline styles. Where did this trend come from, and why is it so popular? Why are these approaches different from what we've seen before, and what do they all have in common? In this talk, we'll examine the history of this movement, how it fits into your current development workflow, and where we can take it in the future.