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<!DOCTYPE html>
<html lang="ko">
    <head>
        <title>filter</title>
            <meta charset="UTF-8">
            <style>
                img {
                    width: 500px;
                    filter: brightness(200%);
                    /* filtet : 이미지나 요소에 효과주기
                        filter 함수 ( 띄우기로 여러개 사용 가능)
                        blur(a) : a길이 만큼 흐리게 함.
                        contrast(n) : a비율 만큼 대비를 조절 기본값 1(100%)
                        grayscale(n) : a비율 만틈 채도(역) 조절 기본값 0(0%)
                        brightness(n) : a비율 만틈 밝기 조절 기본값 1(100%)
                        invert(a) : a비율 만틈 반전 기본값 0(0%)
                        */
                }
            </style>
    </head>
    <body>
        <img src="data:image/jpeg;base64,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">
    </body>
</html>
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<!DOCTYPE html>
<html lang="ko">
    <head>
        <title>display</title>
            <meta charset="UTF-8">
            <style>
                div {
                    display: inline-block;
                    /* display : 요소 표시 상태 설정
                    none: 보이지 않고 공간도 차지하지 않음
                    block : 부모 요소의 가로 크기를 한줄 다 차지하게 된다.
                    inline: 필요한 만큼 공간 차지(width, height 안먹힘)
                    inline-block : 필요한 만큼 공간 차지(width, height 작동)
                    */
                }


                div:nth-child(1) {
                    width: 100px;
                    height: 100px;
                    background-color: black;
                   
                }
                div:nth-child(2) {
                    width: 100px;
                    height: 100px;
                    background-color: purple;
                }
            </style>
    </head>
    <body>
        <div></div>
        <div></div>
    </body>
</html>
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<!DOCTYPE html>
<html lang="ko">
    <head>
        <title>cursor</title>
            <meta charset="UTF-8">
            <style>
                div {
                    width: 100px;
                    height: 100px;
                    background-color: black;
                    cursor: not-allowed;
                    /* cursor : 마우스 커서의 모양 지정
                    default : (기본값) 기본 화살표 모양
                    pointer : 클릭 손 모양
                    text : I빔
                    not-allowed : 금지
                    등등...
                    */
                }
            </style>
    </head>
    <body>
        <div>가나다</div>
        <div>라마바</div>
    </body>
</html>
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<!DOCTYPE html>
<html lang="ko">
    <head>
        <title>color</title>
            <meta charset="UTF-8">
            <style>
                div:nth-child(1){
                    color: rgb(255, 0, 0);
                }
                div:nth-child(2){
                    color: rgb(0, 0, 255);
                }
            </style>
    </head>
    <body>
        <div>가나다</div>
        <div>라마바</div>
    </body>
</html>
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<!DOCTYPE html>
<html lang="ko">
    <head>
        <title>box-sizing</title>
            <meta charset="UTF-8">
            <style>
                div:nth-child(1) {
                    width: 100px;
                    background-color: black;
                    color: white;    
                /**/
                }
                div:nth-child(2) {
                    width: 100px;
                    height: 20px;
                    background-color: red;
                    box-sizing: border-box;
                    /* box-sizing ㅣ 요소의 크기 지정에 관한 방법 설정
                    content-box : 요소의 내부 내용에 따른 크기 지정(기본값)
                    border-box : 요소의 테두리 내용에 따른 크기 지정
                    */
                    color: white;
                    padding: 0 10px;
                   
                }
            </style>
    </head>
    <body>
        <div>나는 100px</div>
        <div>아무 내용</div>
    </body>
</html>
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<!DOCTYPE html>
<html lang="ko">
    <head>
        <title>box-shadow</title>
            <meta charset="UTF-8">
            <style>
                div {
                    width: 100px;
                    height: 100px;
                    background-color: rgb(200, 225, 250);
                    box-shadow: 0 0 16px 1px rgb(60, 60, 60, 50%)
                /* box-shadow : (x축 dhvmtp)(y축 오프셋)(퍼짐 반경)(그림자 반경)(색)*/
                }
            </style>
    </head>
    <body>
        <div></div>
    </body>
</html>
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<!DOCTYPE html>
<html lang="ko">
    <head>
        <title>border</title>
            <meta charset="UTF-8">
            <style>
                div {
                    width: 100px;
                    height: 50px;
                    border: 2px solid rgb(0, 0, 0);
                    /* border : 테두리*/
                    /* 굵기, 스타일, 색상 순으로 지정한다. 스타일은 아래와 같다.
                        solid : 실선
                        dotted : 짧은 점선
                        dashed : 점선
                    */
                    /* border-top, border-right, border-bottom, border-left 사용 가능*/
                    border-radius: 15px;
                    /* border-radius : 테두리 부드럽게*/
                    /* border-top-right-radius, border-bottom-tight-radius,
                    border-bottom0left-radius, border-top-lefr-radius사용 가능*/
               
                }

            </style>
    </head>
    <body>
        <div></div>
    </body>
</html>
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<!DOCTYPE html>
<html lang="ko">
    <head>
        <title>background-color</title>
            <meta name="viewoirt" content="wi" charset="UTF-8">
            <style>
                div:nth-child(1) {
                    width: 300px;
                    height: 300px;
                    /* background-color : 배경 색상 지정*/
                    background-color: rgba(255, 0, 0, 50%);
                    /* 리터럴(Literal : red, blue, orange, black, white 등*/
                    /* RGB : rgb(a, b, c) 함수 이용, 각 빨간색, 초록색, 파란색의 정도를 (0~255)로 나타낸다.*/
                    /* RGBA : rgba(a, b, c, d)함수 이용. 위 rgb(a, b, c)    함수 처럼 사용하되, d값은 0%~100%값으로 불투명도 지정.(0% 완전투명 ~ 100% 완전 불투명)*/
                    /* HEX : #rrggbb 형식으로 사용. rgb함수에서 사용하는 값을 16 진수로 전환하여 사용하는 방식. 가령, rgb(255, 255, 255)는 #ffffff 와 같다*/
                    /* HEX(0) : #rrggbboo 형식으로 사용. 기본 hex사용 방ㅇ법과 같으니 뒤에 불투명도를 지정하는 oo값을 함께 사용한다. (00 부터 ff까지*/
                    position: absolute;
                    z-index: 1;
                }
                div:nth-child(2) {
                    top: 150px;
                    left: 150px;
                    width: 300px;
                    height: 300px;
                    background-color: rgb(50, 100, 200);
                    position: absolute;
                }
            </style>
    </head>
    <body>
        <div></div>
        <div></div>
    </body>
</html>
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