The responsive web design is very well known for the ability of a single website that automatically fits the screen size of the device on which it is being viewed. This can be achieved by adapting the text, design, navigation and method of interaction to deliver the unified comfort and usability to the mobile user as to the desktop users. This means designing a website that looks equally well on all types of devices.
http://www.oodlesstudio.com/blogs/comparing-responsive-web-design-and-mobile-design/
