backdrop-filter

Baseline 2024

Newly available

Since September 2024, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

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.

css
/* 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

none

뒤에 아무런 필터도 적용하지 않습니다.

<filter-function-list>

뒤에 적용할 <filter-function> 또는 SVG필터의 공백 구분 목록입니다.

형식 정의

초기값none
적용대상all elements; In SVG, it applies to container elements excluding the <defs> element and all graphics elements
상속no
계산 값as specified
Animation typea filter function list

형식 구문

backdrop-filter = 
none |
<filter-value-list>

<filter-value-list> =
[ <filter-function> | <url> ]+

<filter-function> =
<blur()> |
<brightness()> |
<contrast()> |
<drop-shadow()> |
<grayscale()> |
<hue-rotate()> |
<invert()> |
<opacity()> |
<sepia()> |
<saturate()>

<url> =
<url()> |
<src()>

<blur()> =
blur( <length>? )

<brightness()> =
brightness( [ <number> | <percentage> ]? )

<contrast()> =
contrast( [ <number> | <percentage> ]? )

<drop-shadow()> =
drop-shadow( [ <color>? && <length>{2,3} ] )

<grayscale()> =
grayscale( [ <number> | <percentage> ]? )

<hue-rotate()> =
hue-rotate( [ <angle> | <zero> ]? )

<invert()> =
invert( [ <number> | <percentage> ]? )

<opacity()> =
opacity( [ <number> | <percentage> ]? )

<sepia()> =
sepia( [ <number> | <percentage> ]? )

<saturate()> =
saturate( [ <number> | <percentage> ]? )

<url()> =
url( <string> <url-modifier>* ) |
<url-token>

<src()> =
src( <string> <url-modifier>* )

예제

CSS

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

html
<div class="container">
  <div class="box">
    <p>backdrop-filter: blur(10px)</p>
  </div>
</div>

결과

명세

Specification
Filter Effects Module Level 2
# BackdropFilterProperty

브라우저 호환성

BCD tables only load in the browser

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