The seciton element is 40px wider than the following two article. I don't know where it is.

http://htmlpreview.github.io/.://github.com/mdn/learning-area/blob/master/css/css-layout/flexbox/flexbox-wrap0.html

Please open this link. No matter how big the screen is, it will always 40px

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Mar.09,2021

knows the width without adding margin

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-64f5-1b32818-e36b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b32818-e36b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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