If you say you are building a responsive design, it means that it can adapt itself to any screen size. This is now an essential aspect in web design because nowadays, its not just computer screens that are using the web, we have also mobile phones, tablets, and other small-screened devices you have to think about when designing a UI for the web.
Building a responsive UI is not as difficult as you know it is. This article will explain how to build a responsive UI design using an established boiler plate UI design that is Bootstrap, by Twitter. This will also explain how to replace the default ASP.NET styling using Twitter bootstrap and create a project template which can become a starter MVC projects using Bootstrap.
Read the tutorial here: http://www.dotnetcurry.com/ShowArticle.aspx?ID=859