Finished product project to achieve 42-inch vertical screen self-adaptation how to change Css, rem,vw or percentage which is better

A molding project of Bootstrap should be displayed normally on both a 25-inch ordinary screen and a 42-inch vertical screen. I"m going to change some CSS code. Is it better to use rem with media or vw, or percentage?

Css
Mar.28,2021

Hello, percentage may be a good choice

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-64f5-1e4de94-442c7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e4de94-442c7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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