Why does the background image after setting the scale with flex still occupy the full screen at 100%?

The

code is shown below. I have proportionally set the ratio to 2 on the left and 1 on the right, but the picture still accounts for the entire screen width when the picture width is set to 100%, as shown in figure 2. And I wrote the code exactly according to the template code. I don"t know why the template can display
clipboard.png

clipboard.png

clipboard.png

normally.
Mar.04,2021

I tapped here as you did, and it was OK (except that the picture path was changed to my own

.

    
    </div>
</div>

</body>
</html>
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-64f5-1b35d97-2bff5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35d97-2bff5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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