New Techniques for Responsive Design
Users interact with the web using an increasingly diverse range of devices. These devices all have different viewport sizes, pixel widths and densities, scroll and zoom capabilities, etc. This video describes responsive-design techniques that help you create web apps that work well on any device.
Codelabs, slides and more information are available from the Progressive Web Apps Training home page: https://developers.google.com/web/ilt/pwa