After clicking the menu bar, change the style

as shown in the picture, this is the menu of a background management system. After I clicked on the small menu, I was clicked to change the color, and only one changed the color at the same time. Ask for demo or link

Mar.01,2021

this question has been asked before?
https://codeshelper.com/q/10.

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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-64f5-1bdc9cd-312fe.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bdc9cd-312fe.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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