Bootstrap ->(https://getbootstrap.com/>>>>>>>>>>>>>>>>>>>>>>>>>>) is a free open source framework for front-end mobile website development. All code is executed in the user’s browser. In contrast, in back-end development, code matching the request is executed on a server and the result is sent to the user.
It was originally developed by the company Twitter and made available to the general public as an open source project in 2011.
Bootstrap simplifies the development of informative website (as opposed to web applications). Once added to a project, the framework provides basic style definitions for all HTML elements such as buttons, tables, and forms. As a result, Web pages display consistently in all Web browsers. Developers can also use the CSS classes from Bootstrap to further customize the display of content.
- of an HTML structure,
- CSS declarations, and
They also extend the functionality of some existing UI elements, including, for example, an auto-complete function for input fields.
The best-known components of the framework are the layout components, since they affect an entire Web page.
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