css3 - CSS Rem Unit for Element Sizes -

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i've noticed rem unit can usable element's sizes, not font-sizes. , usefull html font-size property.

html { font-size:1vw } @media , (max-width:720px) {     html { font-size:10px } } #el { width:20rem;height:5rem }

but proper , trustable?

i think thats you.

i apply:

  • rem font-sizes px callback, best !
  • em paddings , margins
  • px, %, vw , vh element sizes
  • and media queries use em, rem , px used too.

you can mess children element if use em font-size, not recommended.

rem size elements interesting, i'm enjoying lot vw , vh responsive behaviors cases % not enough.

and can cool stuff css calc function

like width: calc(100% - 85px); fixed size within design.

this recommended read units :) hope you.


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