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In this article, the editor introduces in detail "what are the differences between bootstrap3 and bootstrap4", detailed content, clear steps, and proper handling of details. I hope this article "what is the difference between bootstrap3 and bootstrap4" can help you solve your doubts.

The difference between bootstrap3 and bootstrap4: different writing languages bootstrap3 is developed in Less language, bootstrap4 uses Sass language to write grid classes. Different bootstrap3 has four kinds of grids, namely, ultra-small (col-xs-) adaptive phone, small (col-sm-) adaptive tablet, medium (col-md-) adaptive computer, and large (col-lg-) adaptive widescreen computer.

There are five kinds of grids in bootstrap4, namely, col-xs-, col-sm-, col-md-, col-lg- and col-xl-. The layout mode is different. Bootstrap3 uses float layout, while bootstrap4 uses flexbox layout. Use different units bootstrap3 use px as a unit, bootstrap4 use rem and em as a unit (except some margin and padding use px) to read here, this "what is the difference between bootstrap3 and bootstrap4" article has been introduced, want to master the knowledge of this article also need everyone to practice and use to understand, if you want to know more related content of the article, welcome to pay attention to the industry information channel.

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