CSS is an incredibly ubiquitous tool that is used throughout almost all websites and mobile applications. However, a one-size-fits-all approach doesn't work, when one user may be using your site on a phone, and another on a computer. How can we support multiple devices without essentially creating multiple projects? The answer is responsive design.

In this course, you'll use responsive design to make a single website professional and functional on PC, tablet, and mobile. By the end of this course, you should feel confident updating standard desktop apps to support mobile. You will also be able to intelligently discuss the responsive design with your team. Finally, you'll be able to prototype basic responsive applications quickly and efficiently.