Bootstrap is a mobile-first framework consisting of HTML5, CSS3, and JavaScript code providing a comprehensive set of world-class, responsive web design components. It was developed by engineers at Twitter and then released to the world in August 2011.
The framework includes code to retrofit modern features onto older browsers, a responsive 12-column grid system, and a long list of components (some using JavaScript) for building web applications and websites. It's meant to provide a strong foundation on which to build your application.
With this introduction to Bootstrap, let's proceed to set it up.
Setting up Bootstrap
The first step is to duplicate the code you created in the previous chapter. If, for example, you created a directory named chap05/notes, then create one named chap06/notes from the content of chap05/notes.
Now, we need to go about adding Bootstrap...
