What should I do if I want to emulate the page of codeshelper?

I learned css and html, so I wanted to emulate other people"s pages, so I chose a codeshelper.

I found that the page shows
clipboard.png


html
clipboard.png
like this on my phone. Why did you jump to this url,

automatically?
Html css Adapter
Mar.18,2021

Media query is the principle

getting started with bootstrap

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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-64f5-1b3b953-4d943.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3b953-4d943.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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