When you decide to improve your existing website, it is better to use a responsive design. Responsive web design provides a solution to easily use the same code for all the devices such as laptop, desktop, tablets and smartphones. Creating a responsive design involves a lot of time. Fortunately, there are two responsive CSS frameworks available. The most popular frameworks are Twitter, Bootstrap and foundation. Twitter has open-sourced bootstrap framework, which they use in twitter. These responsive frameworks permit developers to use well-documented and verified modules that will work on a range of screens and devices. We will help you in creating a responsive design using bootstrap.