How can WeChat Mini Programs set the font size of the root element and then use rem?

@ media only screen and (min-width:320px) {html {font-size:12px;}}
@ media only screen and (min-width:375px) {html {font-size:13px;}}
@ media only screen and (min-width:412px) {html {font-size:14px;}} 

htmlrem1rembodypagepage1rem1rem16px1rem
Mini-Program html css html5 css3
Feb.28,2021

reset css uses rpx as a unit

Previous: How to ReFactor a project that is iterating rapidly?

Next: Babel-preset-env about configuration item modlues

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
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-64f5-1b30d5a-2bd39.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b30d5a-2bd39.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?