Responsive web design is a design approach that is geared towards using one site URL to provide the optimal browsing experience for multiple viewing platforms OR variety of devices. The responsive web design uses W3C standards and CSS3 or greater media queries with fluid proportion-based grids, to adapt the layout to the viewing environment, and also flexible images that would responsively adjust on-the-fly. On final result, users across a broad range of devices with respective browsers will have access to a single source of content, it is to be easy to read and navigate with a optimal user interface, and minimize panning and scrolling. also Responsive website never scroll Horizontally.