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Editor to share with you when bootstrap is released open source, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Bootstrap is an open source WEB front-end framework launched by Twitter, a famous social networking site and pioneer of Weibo, in August 2011, which integrates CSS and HTML, uses the latest browser technology, and provides a front-end toolkit for rapid WEB development, including layout, grid, tables, buttons, forms, navigation, prompts and so on. Using Bootstrap, you can build a very elegant front-end interface, and the footprint is very small.

Bootstrap is developed by Mark Otto and Jacob Thornton of Twitter.

Bootstrap is an open source product released on GitHub in August 2011.

Bootstrap is a front-end framework for the rapid development of Web applications and websites. Bootstrap is based on HTML, CSS, JAVASCRIPT.

In the early days, the front-end engineers of Twitter used almost any library they were familiar with to deal with the front-end development requirements, which caused the problem that maintenance and extension were very difficult. In the end, Bootstrap became the solution to these challenges, and began to grow rapidly within Twitter, was widely adopted by twitter.com, and formed a stable version. As engineers continue to develop and improve it, Bootstrap has made significant progress, including not only basic styles, but also more elegant and lasting front-end design patterns.

Using Bootstrap to build an elegant Web Page

The core of Bootstrap is CSS based on Less framework. So when it comes to Bootstrap, you have to talk about Less.

About Less

Less is a dynamic CSS language framework. Less extends the dynamic characteristics of CSS and provides more powerful functions and flexibility than traditional CSS,Less. Based on Less, we can use embedded declaration, variable, mixed mode, operation, color editing function and so on when writing CSS. To put it simply, Less allows you to write CSS like programming, storing the program in a file with the suffix less, and Less provides a framework to compile it into a standard css file.

To take a simple example, if you want to set the same color for multiple styles, you can write:

@ color: # FFFFFF;h2 {color: @ color;} # sub {color: @ color;} # compiled H2 {color: # ffffff;} # sub {color: # ffffff;}

The above code is only the simplest application of Less. In addition to variables, you can also perform mathematical operations in CSS, pass parameters, file references, rule nesting, and so on. You can imagine how much this way of writing CSS will make a difference to front-end development. Whether in terms of flexibility, extensibility, and maintainability, Less has greatly improved CSS development and enhanced its dynamics.

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