Responsive Website design has become one of the hottest trends in 2013. Now People are using smartphones and other mobile devices. More people are using smaller-screen devices to view Web pages. Currently, If your website is not mobile-friendly, you risk losing traffic, visitors, and ultimately business. The purpose of responsive design is to have one site, but with different elements that respond differently when viewed on devices of different sizes. A Responsive Website changes its appearance and layout based on the size of the screen the website is displayed on. Responsive Websites can be designed to make the text on the page larger and easier to read on smaller screens. They can also be configured to make the buttons on the phone--s screen easier to press. Responsive website is work on: iPhone 3+4 portrait 320 x 480iPhone 3+4 landscape 480 x 320iPhone 5 portrait 320 x 568iPhone 5 landscape 568 x 320Crappy Android portrait 240 x 320