backdrop-filter
CSS backdrop-filter
는 요소 뒤 영역에 흐림이나 색상 시프트 등 그래픽 효과를 적용할 수 있는 속성입니다. 요소 "뒤"에 적용하기 때문에, 효과를 확인하려면 요소나 요소의 배경을 적어도 반투명하게는 설정해야 합니다.
/* 키워드 값 */
backdrop-filter: none;
/* SVG 필터를 가리키는 URL */
backdrop-filter: url(commonfilters.svg#filter);
/* <filter-function> 값 */
backdrop-filter: blur(2px);
backdrop-filter: brightness(60%);
backdrop-filter: contrast(40%);
backdrop-filter: drop-shadow(4px 4px 10px blue);
backdrop-filter: grayscale(30%);
backdrop-filter: hue-rotate(120deg);
backdrop-filter: invert(70%);
backdrop-filter: opacity(20%);
backdrop-filter: sepia(90%);
backdrop-filter: saturate(80%);
/* 다중 필터 */
backdrop-filter: url(filters.svg#filter) blur(4px) saturate(150%);
/* 전역 값 */
backdrop-filter: inherit;
backdrop-filter: initial;
backdrop-filter: unset;
구문
값
none
- 뒤에 아무런 필터도 적용하지 않습니다.
<filter-function-list>
- 뒤에 적용할
<filter-function>
또는 SVG필터의 공백 구분 목록입니다.
형식 정의
초기값 | none |
---|---|
적용대상 | all elements; In SVG, it applies to container elements excluding the defs element and all graphics elements |
상속 | no |
Computed value | as specified |
Animation type | a filter function list |
형식 구문
none | <filter-function-list>where
<filter-function-list> = [ <filter-function> | <url> ]+
where
<filter-function> = <blur()> | <brightness()> | <contrast()> | <drop-shadow()> | <grayscale()> | <hue-rotate()> | <invert()> | <opacity()> | <saturate()> | <sepia()>
where
<blur()> = blur( <length> )
<brightness()> = brightness( <number-percentage> )
<contrast()> = contrast( [ <number-percentage> ] )
<drop-shadow()> = drop-shadow( <length>{2,3} <color>? )
<grayscale()> = grayscale( <number-percentage> )
<hue-rotate()> = hue-rotate( <angle> )
<invert()> = invert( <number-percentage> )
<opacity()> = opacity( [ <number-percentage> ] )
<saturate()> = saturate( <number-percentage> )
<sepia()> = sepia( <number-percentage> )where
<number-percentage> = <number> | <percentage>
<color> = <rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>where
<rgb()> = rgb( <percentage>{3} [ / <alpha-value> ]? ) | rgb( <number>{3} [ / <alpha-value> ]? ) | rgb( <percentage>#{3} , <alpha-value>? ) | rgb( <number>#{3} , <alpha-value>? )
<rgba()> = rgba( <percentage>{3} [ / <alpha-value> ]? ) | rgba( <number>{3} [ / <alpha-value> ]? ) | rgba( <percentage>#{3} , <alpha-value>? ) | rgba( <number>#{3} , <alpha-value>? )
<hsl()> = hsl( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsl( <hue>, <percentage>, <percentage>, <alpha-value>? )
<hsla()> = hsla( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsla( <hue>, <percentage>, <percentage>, <alpha-value>? )where
<alpha-value> = <number> | <percentage>
<hue> = <number> | <angle>
예제
CSS
.box {
background-color: rgba(255, 255, 255, 0.3);
border-radius: 5px;
font-family: sans-serif;
text-align: center;
line-height: 1;
-webkit-backdrop-filter: blur(10px);
backdrop-filter: blur(10px);
max-width: 50%;
max-height: 50%;
padding: 20px 40px;
}
html,
body {
height: 100%;
width: 100%;
}
body {
background-image: url(https://picsum.photos/id/1080/6858/4574), linear-gradient(rgb(219, 166, 166), rgb(0, 0, 172));
background-position: center center;
background-repeat: no-repeat;
background-size: cover;
}
.container {
align-items: center;
display: flex;
justify-content: center;
height: 100%;
width: 100%;
}
HTML
<div class="container">
<div class="box">
<p>backdrop-filter: blur(10px)</p>
</div>
</div>
결과
명세
Specification | Status | Comment |
---|---|---|
Filter Effects Module Level 2 The definition of 'backdrop-filter' in that specification. |
Editor's Draft | Initial definition. |
브라우저 호환성
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