How to express the CSS wildcard decision maker

This article mainly explains "how to express CSS wildcard resolvers". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let Xiaobian take you to learn "how to express CSS wildcard resolvers"!

CSS2 introduces a new easy decider-universal sele CTO r, revealed as an asterisk (*). The determiner may be married to any element, like a wildcard.

Analogously, the following rule makes every element in a document red:

* {color:red;}

This declaration is equivalent to a grouping determiner that lists all the elements in the document. With the wildcard selector, all elements in a document can be assigned a color attribute value of red with just one keystroke (just an asterisk).

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