Given at CSS Dev Conf 2014 in New Orleans on October 14, 2014. This full presentation written with Web Components can be viewed with Chrome 36+ online at http://andrewrota.github.io/web-components-and-modular-css-presentation/presentation/index.html#0. The source of the presentation is available on GitHub: https://github.com/andrewrota/web-components-and-modular-css-presentation.