www.wd4e.com

Optional: The Evolution of Airbnb Front-end Development

This is an interesting article on the evolution of the Airbnb website.

https://www.airbnb.com/meetups/x4ede5jr2-css-frameworks-and-the-evolution-of-airbnb-s-frontend

I think one of the reasons I find it interesting is that the CodeAcademy CSS tutorial actually uses a similar platform to teach about Bootstrap.