Sifa backdrop-filter

Sifa backdrop-filter inaruhusu kutumia vichujio (uwazi, mabadiliko ya tofauti, athari za rangi) kwa eneo lililo nyuma ya kipengele. Hii inaunda athari ya "kioo" au "kioo kilichochakaa".

Kiambishi

csskichagua {
  backdrop-filter: none | <kichujio> [<kichujio>]*;
}

Thamani

Thamani Maelezo
none Vichujio havatumiki (thamani chaguomsingi).
blur() Inatumia athari ya uwazi (kwa mfano: blur(5px)).
brightness() Hubadilisha mwangaza wa msingi (kwa mfano: brightness(0.5)).
contrast() Hubadilisha tofauti ya msingi (kwa mfano: contrast(200%)).
drop-shadow() Inaongeza kivuli kwenye msingi.
grayscale() Hubadilisha msingi kuwa vivuli vya kijivu (kwa mfano: grayscale(100%)).
hue-rotate() Hubadilisha toni ya rangi ya msingi (kwa mfano: hue-rotate(90deg)).
invert() Inageuza rangi za msingi (kwa mfano: invert(100%)).
opacity() Hubadilisha uwazi wa msingi (kwa mfano: opacity(50%)).
sepia() Inatumia sepia kwenye msingi (kwa mfano: sepia(100%)).
saturate() Hubadilisha ukolezo wa rangi za msingi (kwa mfano: saturate(200%)).

Inawezekana kuchanganya vichujio kadhaa, kukiwaorodhesha kwa kupita nafasi.

Mfano . Uwazi rahisi

Athari ya msingi ya uwazi wa nyuma:

html<div class="blur-example">
  <div class="blur-box">
    Backdrop blur effect
  </div>
</div>
css.blur-example {
  background: linear-gradient(135deg, #667eea, #764ba2);
  padding: 40px;
  height: 200px;
}

.blur-box {
  backdrop-filter: blur(6px);
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 20px;
  width: 80%;
  margin: 0 auto;
  text-align: center;
  color: white;
  font-size: 22px;
}

Результат:

Mfano . Kichujio cha mwanga joto

Athari ya taa ya joto iliyoongezeka mwangaza:

html<div class="warm-light-bg">
  <div class="warm-light">
    Warm lighting effect
  </div>
</div>
css.warm-light-bg {
  background: url('bg.png');
  background-size: cover;
  padding: 50px;
  height: 250px;
}

.warm-light {
  backdrop-filter: brightness(1.2) hue-rotate(20deg);
  background-color: rgba(255, 235, 205, 0.3);
  padding: 25px;
  width: 70%;
  margin: 20px auto;
  text-align: center;
  color: #333;
  font-size: 24px;
}

Результат:

Mfano . Uwazi na barakoa ya gradient

Mchanganyiko wa uwazi na gradient ya uwazi:

html<div class="gradient-mask">
  <div class="mask-content">
    Gradient mask effect
  </div>
</div>
css.gradient-mask {
  background: url('bg.png') center/cover;
  padding: 50px;
  height: 300px;
}

.mask-content {
  backdrop-filter: blur(10px);
  background: linear-gradient(to right, rgba(255,255,255,0.3), rgba(255,255,255,0));
  padding: 30px;
  width: 80%;
  margin: 0 auto;
}

Результат:

Mfano . Athari ya filamu ya zamani

Mchanganyiko wa sepia na unyevu:

html<div class="old-film">
  <div class="film-effect">
    Old film effect
  </div>
</div>
css.old-film {
  background: url('bg.png') center/cover;
  padding: 40px;
  height: 250px;
}

.film-effect {
  backdrop-filter: sepia(80%) contrast(110%) brightness(90%);
  background-color: rgba(0,0,0,0.1);
  padding: 25px;
  width: 70%;
  margin: 20px auto;
}

Результат:

Mfano . Kichujio cha bluu baridi

Athari ya mwanga baridi:

html<div class="cold-bg">
  <div class="cold-effect">
    Cool blue filter
  </div>
</div>
css.cold-bg {
  background: url('bg.png') center/cover;
  padding: 50px;
  height: 300px;
}

.cold-effect {
  backdrop-filter: hue-rotate(180deg) brightness(85%);
  background-color: rgba(200,230,255,0.2);
  padding: 30px;
  width: 75%;
  margin: 0 auto;
}

Результат:

Mfano . Tofauti kubwa

Athari ya tofauti iliyoongezeka:

html<div class="contrast-bg">
  <div class="contrast-effect">
    High contrast
  </div>
</div>
css.contrast-bg {
  background: url('bg.png') center/cover;
  padding: 40px;
  height: 250px;
}

.contrast-effect {
  backdrop-filter: contrast(200%) brightness(90%);
  background-color: rgba(0,0,0,0.1);
  padding: 25px;
  width: 70%;
  margin: 20px auto;
}

Результат:

Mfano . Athari ya rangi ya maji

Uwazi laini ulioongezeka ukolezo:

html<div class="watercolor-bg">
  <div class="watercolor-effect">
    Watercolor effect
  </div>
</div>
css.watercolor-bg {
  background: url('bg.png') center/cover;
  padding: 50px;
  height: 300px;
}

.watercolor-effect {
  backdrop-filter: blur(12px) saturate(200%);
  background-color: rgba(255,255,255,0.15);
  padding: 30px;
  width: 80%;
  margin: 0 auto;
}

Результат:

Mfano . Kivuli kwenye nyuma

Athari ya kivuli kwenye picha ya nyuma:

html<div class="shadow-bg">
  <div class="shadow-effect">
    Drop shadow effect
  </div>
</div>
css.shadow-bg {
  background: url('bg.png') center/cover;
  padding: 40px;
  height: 250px;
}

.shadow-effect {
  backdrop-filter: drop-shadow(4px 4px 10px rgba(0,0,0,0.5));
  background-color: rgba(255,255,255,0.2);
  padding: 25px;
  width: 70%;
  margin: 20px auto;
}

Результат:

Mfano . Ubadilishaji kamili

Ubadilishaji kamili wa rangi za nyuma:

html<div class="invert-bg">
  <div class="invert-effect">
    Full inversion
  </div>
</div>
css.invert-bg {
  background: url('bg.png') center/cover;
  padding: 50px;
  height: 300px;
}

.invert-effect {
  backdrop-filter: invert(100%);
  background-color: rgba(0,0,0,0.1);
  padding: 30px;
  width: 80%;
  margin: 0 auto;
}

Результат:

Mfano . Athari ya kugeuza giza

Kugeuza giza nyuma kuhifadhi usomaji wa maandishi:

html<div class="darken-bg">
  <div class="darken-effect">
    Darkened background
  </div>
</div>
css.darken-bg {
  background: url('bg.png') center/cover;
  padding: 50px;
  height: 300px;
}

.darken-effect {
  backdrop-filter: brightness(40%);
  background-color: rgba(0,0,0,0.3);
  color: white;
  padding: 30px;
  width: 80%;
  margin: 0 auto;
}

Результат:

Mfano . Athari ya kupoteza rangi

Kupoteza rangi kabisa kwa nyuma:

html<div class="grayscale-bg">
  <div class="grayscale-effect">
    Grayscale filter
  </div>
</div>
css.grayscale-bg {
  background: url('bg.png') center/cover;
  padding: 50px;
  height: 300px;
}

.grayscale-effect {
  backdrop-filter: grayscale(100%);
  background-color: rgba(255,255,255,0.2);
  padding: 30px;
  width: 80%;
  margin: 0 auto;
}

Результат:

Mfano . Athari ya ukolezo ulioongezeka

Kuimarisha rangi za nyuma:

html<div class="saturate-bg">
  <div class="saturate-effect">
    Super saturated colors
  </div>
</div>
css.saturate-bg {
  background: url('bg.png') center/cover;
  padding: 50px;
  height: 300px;
}

.saturate-effect {
  backdrop-filter: saturate(300%);
  background-color: rgba(255,255,255,0.1);
  padding: 30px;
  width: 80%;
  margin: 0 auto;
}

Результат:

Mfano . Athari ya kisanii iliyochanganyika

Mchanganyiko wa vichujio kadhaa kwa athari ya kisanii:

html<div class="artistic-bg">
  <div class="artistic-effect">
    Artistic combination
  </div>
</div>
css.artistic-bg {
  background: url('bg.png') center/cover;
  padding: 50px;
  height: 300px;
}

.artistic-effect {
  backdrop-filter: blur(3px) hue-rotate(90deg) saturate(150%) contrast(120%);
  background-color: rgba(255,255,255,0.15);
  padding: 30px;
  width: 80%;
  margin: 0 auto;
  color: white;
  text-shadow: 0 0 5px black;
}

Результат:

Mfano . Athari ya uwazi

Kurekebisha uwazi wa nyuma:

html<div class="opacity-bg">
  <div class="opacity-effect">
    Opacity control
  </div>
</div>
css.opacity-bg {
  background: url('bg.png') center/cover;
  padding: 50px;
  height: 300px;
}

.opacity-effect {
  backdrop-filter: opacity(50%);
  background-color: rgba(0,0,0,0.3);
  color: white;
  padding: 30px;
  width: 80%;
  margin: 0 auto;
}

Результат:

Usaidizi wa vivinjari

Sifa inasaidiwa na vivinjari vingi vya kisasa, lakini inaweza kuhitaji kiambishi awali -webkit- kwa usawaijabu wa vivinjari mbalimbali.

Angalia pia

  • sifa filter,
    ambayo inatumia athari kwa kipengele yenyewe
  • sifa opacity,
    inayodhibiti uwazi wa kipengele
  • sifa background-blend-mode,
    inayofafanua hali ya kuchanganya picha za nyuma