What framework is bootstrap?

Bootstrap is a simple, intuitive, and powerful front-end development framework based on HTML, CSS, and JavaScript developed by Mark Otto and Jacob Thornton, designers of the American Twitter company, to make Web development faster.

Bootstrap provides elegant HTML and CSS specifications, which are written in the dynamic CSS language Less. Bootstrap has been very popular since its launch and has been a popular open source project on GitHub, including NASA's MSNBC (Microsoft National Broadcasting Company) Breaking News. Some frameworks that are familiar to domestic mobile developers, such as the WeX5 front-end open source framework, are also performance optimized based on the Bootstrap source code.

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● Basic structure: Bootstrap provides a basic structure with a grid system, link styles, and background. This will be explained in detail in the Bootstrap basic structure section.

● CSS: Bootstrap comes with the following features: global CSS settings, defining basic HTML element styles, extensible classes, and an advanced grid system.

● Components: Bootstrap contains a wealth of web components. Based on these components, you can quickly build a beautiful and fully functional website. It includes the following components:

Drop-down menu, button group, button drop-down menu, navigation, navigation bar, path navigation, paging, layout, thumbnail, warning dialog box, progress bar, media object, etc.

●　JavaScript plug-ins: Bootstrap comes with 13 jQuery plug-ins, which give "life" to the components in Bootstrap. These include: modal dialog boxes, tabs, scroll bars, pop-up boxes, etc.

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