Feel like learning something new? Check out one of these web dev tutorial videos, all taught with CodePen!

Dev Coffee has a a React tutorial for beginners. It's the first in what will be a 3-part series. This video is especially helpful if you're new to using React on CodePen because it takes you step-by-step through setting up a new Pen and adding React from a CDN. (Tip: you can also start typing "react" in the External JavaScript field and it will autofill)

Over at CSS-Tricks, Chris paired with Sarah Drasner to learn some React in Starting a React-Powered Comment Form.

Web animations expert Rachel Nabors' just launched new CSS Animations and Transitions course, and demonstrates transition on CodePen in the lesson Meet CSS Transitions.