Css variable compatibility

Is the

css variable popular now?
what is the compatibility of browsers? On which website can I see compatibility
?

Css
Mar.14,2021

er, weak words, how to write to check MDN, compatibility or look at CanIUse.


all web standards can be found on MDN web docs
https://developer.mozilla.org.
. If you want to see the latest things, be sure to look at the English page (such as the compatibility status you asked about)

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b30ff7-40d9e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b30ff7-40d9e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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