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This article mainly introduces "what is the role of css selector". In daily operation, I believe many people have doubts about what is the role of css selector. Xiaobian consulted all kinds of information and sorted out simple and easy to use operation methods. I hope to answer your doubts about "what is the role of css selector"! Next, please follow the small series to learn together!

CSS selector is used to point to the tag that needs CSS effect, so that CSS style knows which tag it needs to go to; so if you want to use CSS to add style to the elements in HTML page, you need to use CSS selector, and CSS setting style is controlled through CSS selector.

Operating environment: Windows 7 system, CSS3 version, DELL G3 computer

What does CSS selector do?

The main function of CSS selector

Each CSS style consists of two parts, in the form: CSS selector {Set Style}

css selector points to the object you want to add a style to. Setting a style is to set the style you want.

CSS selector is mainly used

If you want to style elements in html pages with css, you need to use the css selector, which controls css styling.

CSS selectors are used to point to tags that need CSS to work, so that CSS styles know which tags they need to go to.

CSS selectors fall into two broad categories: basic selectors and extended (advanced) selectors.

Basic selectors:

Tag selector: for a class of tags

ID selector: used for a specific label

Class Selector: Use for all tags you want

Universal selector (wildcard): applies to all labels (deprecated)

Advanced selectors:

Descendant selector: space separated

Intersection selector: Use. spaced

Union selector (grouping selector): separated by commas

pseudo-class selector

At this point, the study of "what is the role of css selector" is over, hoping to solve everyone's doubts. Theory and practice can better match to help everyone learn, go and try it! If you want to continue learning more relevant knowledge, please continue to pay attention to the website, Xiaobian will continue to strive to bring more practical articles for everyone!

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