Abnormal performance of css under browser F12

all the rules for debugging css files in Google browser F12 are shown on the first line and are not compressed. Normally, the number of lines will be displayed
add: it is not possible to change browsers

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Front-end javascript html5 chrome css
Mar.10,2021
Does

use any framework to compress css files automatically when compiling?
you click on the browser to see if it is really on line 1

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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-64f5-1b3bfe2-2c307.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3bfe2-2c307.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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