What does an asterisk mean in css style

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In the css style, the asterisk stands for "all elements", and the "*" selector can select all elements or all children of an element. Using the "*" selector to set the style uniformly sets the style of all elements, and the syntax is "* {css attribute: property value;}".

The operating environment of this tutorial: windows10 system, CSS3&&HTML5 version, Dell G3 computer.

What does the asterisk stand for in the css style

In css, the asterisk means "all elements", and the "*" selector can select all elements or all elements in an element.

The asterisk selector (*) indicates that all elements are selected

* the selector selects all elements.

* the selector can also select all elements in another element

Note: * the selector consumes performance and should be avoided as far as possible. Use a more accurate selector to select elements.

Examples are as follows:

* {background-color:yellow;} Welcome to my home page. I'm Donald Duck.

I live in Duckburg.

My best friend is Mickey Mouse.

Output result:

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