media

print=CMYK(안료)

screen-RGB(빛)

and연산자(논리합) : A and B, A 그리고 B

-A와 B 둘다 만족할때 실행

or 연산자(논리곱) : A or B,A또는B

4kvideo다운로드

<link media="screen and (max-width : 1080px)">

<style media="screen and (max-width : 1080px)"></style>


<style>
 @media=screen and (max-width : 1080px){}
</style>

<style>
@import url('day48-1_1080px.css') only screen and (max-width : 1080px);
</style>



header 안에 meta data 꼭넣어주기
content="
width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalble=no"

<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalble=no">

blisk 다운로드
https://blisk.io/?inv=cfae670e-85cb-4255-aac8-9be2ee767aba


기본값 reset에 설정을해놓았기 떄문에
margin="0"

padding="0"
width="auto"
height="auto"
float="none"
overflow="visible"
position="static"
top="auto"
left="auto"
text-align="left"