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[css] 第720天 rem和px的换算规则是怎样的？ #3777

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[css] 第720天 rem和px的换算规则是怎样的？#3777
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@haizhilin2013
haizhilin2013
opened on Apr 4, 2021
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第720天 rem和px的换算规则是怎样的？

#29

3+1官网

我也要出题

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haizhilin2013
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csscss
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alanhe421

alanhe421 commented on Apr 4, 2021

@alanhe421
alanhe421
on Apr 4, 2021 · edited by alanhe421

Root font-size

比如root font-size=16px，0.5rem即16*0.5=8px

CafuChino

CafuChino commented on Apr 5, 2021

@CafuChino
CafuChino
on Apr 5, 2021

rem为相对于根元素字体大小计算倍数，1rem等于一倍html下定义字体大小
em相对父元素字体大小计算

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          [css] 第720天 rem和px的换算规则是怎样的？ · Issue #3777 · haizlin/fe-interview