In my mind, Flexbox is the best thing to happen to CSS in a long time. It takes all of those annoying layout quirks, and demotes them to non-issues.
A project I'm working on required that a front page headline display as typed text in real-time. You've seen this effect before, where it appears as if somebody behind the scenes is typing out each letter. I recently learned a fun technique from Lea Verou that makes this possible with CSS alone. Let's learn how.
View the source for this episode on GitHub.