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This article mainly shows you "what is the use of @ doucment in css". It is easy to understand and clear. I hope it can help you solve your doubts. Let the editor lead you to study and learn this article "what is the use of @ doucment in css".

@ doucment

@ document if the condition of the condition group is met, the rule takes effect (deferred to the CSS Level 4 specification)

/ * * @ document name (guide) {* *} * / @ document url (http://www.w3.org/), url-prefix (http://www.w3.org/Style/), domain (mozilla.org), regexp ("https:.*") {/ * this CSS rule will be applied to the following page: + URL is "http://www.w3.org/"" page. + any web page whose URL begins with "http://www.w3.org/Style/"" + any web page whose host name ends with ".mozilla.org" + any web page whose URL begins with "https:" * / * make the above-mentioned pages really ugly * / body {color: purple; background: yellow;}} above is all the content of this article "what's the use of @ doucment in css"? thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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