We are living in a world where internet is being used to do almost everything in life and we are living at a time when most of the browsers are using mobile devices for browsing. This made it necessary that the websites should be mobile compatible.
Responsive web design, otherwise known as the web design of new generation is fitting into this situation and every other website owners are going for it. Responsive web design makes your website compatible with any size of screen and you need have to keep separate designs for desktops and mobile devices. It will also make the website user-friendly and makes the navigation easier in mobile devices.
Read : - http://www.xhtmlchamps.com/psd-to-responsive.html