Web page special effects that show the content of the slider location and hide the content of other locations

effect to be achieved:
has a box. Wherever the box is moved, it will show the contents of this place and hide in other places.

do you have any good ideas for implementation?

Jun.08,2021

A div , give him a big enough border or box-shadow , or outline can

   

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-64f5-1bde902-313e7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bde902-313e7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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