what a bootstrap ? code example
Example 1: what is bootstrap
Bootstrap is a free and open-source CSS framework directed at responsive,
mobile-first front-end web development developed by TWITTER
It contains CSS- and JavaScript-based design templates for typography, forms,
buttons, navigation, and other interface components.
Example 2: what is bootstrap
Bootstrap is a CSS Framework developed at Twitter.
It aids in the rapid prototyping of Web Application styling.