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In CSS styles, the asterisk represents "all elements", and the "*" selector can select all elements or all sub-elements in an element. Using the "*" selector to set styles will uniformly set the styles of all elements. The syntax is "*{css attribute: attribute value;}".
The operating environment of this tutorial: Windows 10 system, CSS3&&HTML5 version, Dell G3 computer.
What does the asterisk represent in css style
In css, the asterisk represents "all elements" and the "*" selector Ability to select all elements or all elements within 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: *Selectors consume more performance, so try to avoid using them. You should use a more precise selector to select elements.
The example is as follows:
<html> <head> <style> *{ background-color:yellow; } </style> </head> <body> <h1>欢迎来到我到的主页</h1> <div class="intro"> <p id="firstname">我是唐老鸭。</p> <p>我住在 Duckburg。</p> </div> <p>我最好的朋友是米老鼠。</p> </body> </html>
Output result:
(Learning video sharing: css video tutorial)
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