Are you looking for leading technique to build sites that work well on phones and tablets, as well as on desktop computers?
Building a responsive site adds new challenges for web designers and developers. They need to consider various aspects while building the framework, such as image scaling, and user interface components such as column shrinks and shifts, navigation bars, tabs, and carousels responding to varying screen sizes. Web designers and developers look for a solution that will make front-end web development faster and easier; and is made for devices of all shapes, and projects of all sizes. Bootstrap is solution to that.