Mini Program picture default width, do not write inline style how to remove?

found that writing class="xxx" doesn"t work, and only inline styles can be assigned. How can it be solved without in-line use?


original picture
clipboard.png
image
clipboard.png
image
clipboard.png
is there a format error in css?

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-64f5-1b31369-2b5c3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b31369-2b5c3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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