css 使用REM与媒体查询

Posted 2021-05-13

html { font-size:100%; } 

@media (min-width: 640px) { body {font-size:1rem;} } 
@media (min-width:960px) { body {font-size:1.2rem;} } 
@media (min-width:1100px) { body {font-size:1.5rem;} }