How to take out the html and css code of a specific part of a web page

for example, if I press F12 using chrome, I can copy the html code in the navigation bar of codeshelper, but how can I find the corresponding css code?

Sep.07,2021

directly Ctrl+S Save as, you can save all the styles that depend on


there are references on the lower right side of the page, and you can see the corresponding css style.
you can find the corresponding file here:


:

clipboard.png

:Reveal in Sources panel:

clipboard.png

generally, online style files are compressed, you can copy the contents or other operations, which I do not need to say!
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-64f5-1e5aeea-4ccf6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e5aeea-4ccf6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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