How does CSS build a derived selector

This article introduces the knowledge of "how to build a derivative selector 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!

Id decision maker and derivative decision maker

In the contemporary layout, the id decision maker is often used to set up derivative decision makers.

# sidebar p {font-style: italic; text-align: right; margin-top: 0.5em;}

The above style will only be applied to paragraphs that rise within elements where id is sidebar. This element is most likely a div large if the table cell, of course, it is also a table outline of the other block-level elements. It can even be an inline element, like general, but how legal the usage is, because Fucheng is embedded in the inline element.

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