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2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article introduces the knowledge of "what are the advanced selectors in CSS". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!
1. Descendant selector: the definition is separated by a space.
.div1 p {color: red;}
Spaces represent future generations. .div1 p represents all p of the descendants of .div1.
2. Intersection selector: when defined, it is closely linked.
When you define an intersection selector, the two selectors are closely connected. It usually starts with a signature, such as div., and then p.special.
Note: the intersection selector has no spaces. Div.red (intersection selector) without spaces does not mean the same as div.red (descendant selector) with spaces.
3. Union selector: the definition is separated by a comma.
All three basic selectors can be put in.
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