what is css preprocessor

The css preprocessor is a program that allows us to generate CSS through the preprocessor's own unique syntax. The most popular css preprocessors at the moment include Sass, LESS, Stylus and PostCSS.

The operating environment of this article: windows10 system, css 3, thinkpad t480 computer.

Introduction:

The CSS preprocessor is a program that allows you to generate CSS through the preprocessor's own unique syntax. There are many CSS preprocessors on the market to choose from, and most CSS preprocessors will add some features that native CSS does not have, such as code mixing, nested selectors, inherited selectors, etc. These features make the structure of CSS more readable and easier to maintain.

Here are some of the most popular CSS preprocessors:

Sass

LESS

Stylus

PostCSS

Related video tutorial sharing: css video tutorial

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