Filtros e Transformações Tailwind CSS: Blur, Scale, Rotate e Translate
Filtros
As utilidades de filtro usam a propriedade CSS filter para adicionar efeitos visuais aos elementos.
Exemplo
<!DOCTYPE html>
<html lang="pt-br">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Demonstração de Filtros</title>
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="min-h-screen bg-gray-100 p-8">
<div class="max-w-4xl mx-auto space-y-8">
<!-- blur -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">blur</h3>
<div class="flex flex-wrap gap-4">
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="blur-0" class="rounded-lg blur-0">
<p class="text-sm mt-2">blur-0</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="blur-sm" class="rounded-lg blur-sm">
<p class="text-sm mt-2">blur-sm</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="blur" class="rounded-lg blur">
<p class="text-sm mt-2">blur</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="blur-md" class="rounded-lg blur-md">
<p class="text-sm mt-2">blur-md</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="blur-lg" class="rounded-lg blur-lg">
<p class="text-sm mt-2">blur-lg</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="blur-xl" class="rounded-lg blur-xl">
<p class="text-sm mt-2">blur-xl</p>
</div>
</div>
</div>
<!-- brightness -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">brightness</h3>
<div class="flex flex-wrap gap-4">
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="brightness-50" class="rounded-lg brightness-50">
<p class="text-sm mt-2">brightness-50</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="brightness-75" class="rounded-lg brightness-75">
<p class="text-sm mt-2">brightness-75</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="brightness-100" class="rounded-lg brightness-100">
<p class="text-sm mt-2">brightness-100</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="brightness-125" class="rounded-lg brightness-125">
<p class="text-sm mt-2">brightness-125</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="brightness-150" class="rounded-lg brightness-150">
<p class="text-sm mt-2">brightness-150</p>
</div>
</div>
</div>
<!-- contrast -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">contrast</h3>
<div class="flex flex-wrap gap-4">
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="contrast-50" class="rounded-lg contrast-50">
<p class="text-sm mt-2">contrast-50</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="contrast-100" class="rounded-lg contrast-100">
<p class="text-sm mt-2">contrast-100</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="contrast-150" class="rounded-lg contrast-150">
<p class="text-sm mt-2">contrast-150</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="contrast-200" class="rounded-lg contrast-200">
<p class="text-sm mt-2">contrast-200</p>
</div>
</div>
</div>
<!-- grayscale -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">grayscale</h3>
<div class="flex flex-wrap gap-4">
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="grayscale-0" class="rounded-lg grayscale-0">
<p class="text-sm mt-2">grayscale-0</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="grayscale" class="rounded-lg grayscale">
<p class="text-sm mt-2">grayscale</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="grayscale-50" class="rounded-lg grayscale-[50%]">
<p class="text-sm mt-2">grayscale-50%</p>
</div>
</div>
</div>
<!-- sepia -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">sepia</h3>
<div class="flex flex-wrap gap-4">
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="sepia-0" class="rounded-lg sepia-0">
<p class="text-sm mt-2">sepia-0</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="sepia" class="rounded-lg sepia">
<p class="text-sm mt-2">sepia</p>
</div>
</div>
</div>
<!-- saturate -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">saturate</h3>
<div class="flex flex-wrap gap-4">
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="saturate-0" class="rounded-lg saturate-0">
<p class="text-sm mt-2">saturate-0</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="saturate-50" class="rounded-lg saturate-50">
<p class="text-sm mt-2">saturate-50</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="saturate-100" class="rounded-lg saturate-100">
<p class="text-sm mt-2">saturate-100</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="saturate-150" class="rounded-lg saturate-150">
<p class="text-sm mt-2">saturate-150</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="saturate-200" class="rounded-lg saturate-200">
<p class="text-sm mt-2">saturate-200</p>
</div>
</div>
</div>
<!-- hue-rotate -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">hue-rotate</h3>
<div class="flex flex-wrap gap-4">
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="hue-rotate-0" class="rounded-lg hue-rotate-0">
<p class="text-sm mt-2">hue-rotate-0</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="hue-rotate-90" class="rounded-lg hue-rotate-90">
<p class="text-sm mt-2">hue-rotate-90</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="hue-rotate-180" class="rounded-lg hue-rotate-180">
<p class="text-sm mt-2">hue-rotate-180</p>
</div>
</div>
</div>
<!-- invert -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">invert</h3>
<div class="flex flex-wrap gap-4">
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="invert-0" class="rounded-lg invert-0">
<p class="text-sm mt-2">invert-0</p>
</div>
<div class="text-center">
<img src="https://picsum.photos/150/150" alt="invert" class="rounded-lg invert">
<p class="text-sm mt-2">invert</p>
</div>
</div>
</div>
</div>
</body>
</html>
Referência de classes de filtro:
| Classe | Valor CSS | Descrição |
|---|---|---|
blur-0 |
filter: blur(0) |
Sem blur |
blur-sm |
filter: blur(4px) |
Blur pequeno |
blur |
filter: blur(8px) |
Blur padrão |
blur-md |
filter: blur(12px) |
Blur médio |
blur-lg |
filter: blur(16px) |
Blur grande |
blur-xl |
filter: blur(24px) |
Blur extra grande |
blur-2xl |
filter: blur(40px) |
Blur gigante |
blur-3xl |
filter: blur(64px) |
Blur colossal |
brightness-0 |
filter: brightness(0) |
Completamente escuro |
brightness-50 |
filter: brightness(0.5) |
50% de brilho |
brightness-100 |
filter: brightness(1) |
100% de brilho (padrão) |
brightness-150 |
filter: brightness(1.5) |
150% de brilho |
contrast-0 |
filter: contrast(0) |
Sem contraste |
contrast-50 |
filter: contrast(0.5) |
50% de contraste |
contrast-100 |
filter: contrast(1) |
100% de contraste (padrão) |
contrast-200 |
filter: contrast(2) |
200% de contraste |
grayscale-0 |
filter: grayscale(0) |
Sem escala de cinza |
grayscale |
filter: grayscale(100%) |
Escala de cinza completa |
sepia-0 |
filter: sepia(0) |
Sem sépia |
sepia |
filter: sepia(100%) |
Sépia completo |
saturate-0 |
filter: saturate(0) |
Sem saturação |
saturate-50 |
filter: saturate(0.5) |
50% de saturação |
saturate-100 |
filter: saturate(1) |
100% de saturação (padrão) |
saturate-200 |
filter: saturate(2) |
200% de saturação |
hue-rotate-0 |
filter: hue-rotate(0deg) |
Sem rotação de matiz |
hue-rotate-90 |
filter: hue-rotate(90deg) |
Rotação de matiz de 90 graus |
hue-rotate-180 |
filter: hue-rotate(180deg) |
Rotação de matiz de 180 graus |
invert-0 |
filter: invert(0) |
Sem inversão |
invert |
filter: invert(100%) |
Inversão completa |
CSS Tradicional vs Tailwind A abordagem tradicional exige escrever propriedades complexas como
filter: blur(8px) brightness(1.2)no CSS, enquanto o Tailwind usa nomes de classes comoblurebrightness-120para declará-los diretamente.
blur-sm brightness-75 grayscale. Observe que a ordem dos filtros afeta o resultado final.
Transformações
As utilidades de transformação usam a propriedade CSS transform para dimensionar, rotacionar, transladar e inclinar elementos.
Exemplo
<!DOCTYPE html>
<html lang="pt-br">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Demonstração de Transformações</title>
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="min-h-screen bg-gray-100 p-8">
<div class="max-w-4xl mx-auto space-y-8">
<!-- scale -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">scale</h3>
<div class="flex flex-wrap gap-8 items-center justify-center">
<div class="w-24 h-24 bg-blue-500 rounded-lg scale-50 flex items-center justify-center text-white text-xs">scale-50</div>
<div class="w-24 h-24 bg-blue-500 rounded-lg scale-75 flex items-center justify-center text-white text-xs">scale-75</div>
<div class="w-24 h-24 bg-blue-500 rounded-lg scale-100 flex items-center justify-center text-white text-xs">scale-100</div>
<div class="w-24 h-24 bg-blue-500 rounded-lg scale-110 flex items-center justify-center text-white text-xs">scale-110</div>
<div class="w-24 h-24 bg-blue-500 rounded-lg scale-125 flex items-center justify-center text-white text-xs">scale-125</div>
<div class="w-24 h-24 bg-blue-500 rounded-lg scale-150 flex items-center justify-center text-white text-xs">scale-150</div>
</div>
</div>
<!-- rotate -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">rotate</h3>
<div class="flex flex-wrap gap-8 items-center justify-center">
<div class="w-24 h-24 bg-green-500 rounded-lg rotate-0 flex items-center justify-center text-white text-xs">rotate-0</div>
<div class="w-24 h-24 bg-green-500 rounded-lg rotate-3 flex items-center justify-center text-white text-xs">rotate-3</div>
<div class="w-24 h-24 bg-green-500 rounded-lg rotate-6 flex items-center justify-center text-white text-xs">rotate-6</div>
<div class="w-24 h-24 bg-green-500 rounded-lg rotate-12 flex items-center justify-center text-white text-xs">rotate-12</div>
<div class="w-24 h-24 bg-green-500 rounded-lg rotate-45 flex items-center justify-center text-white text-xs">rotate-45</div>
<div class="w-24 h-24 bg-green-500 rounded-lg rotate-90 flex items-center justify-center text-white text-xs">rotate-90</div>
</div>
</div>
<!-- translate -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">translate</h3>
<div class="relative h-48 bg-gray-100 rounded-lg">
<div class="absolute left-1/2 top-1/2 -translate-x-1/2 -translate-y-1/2 w-24 h-24 bg-purple-500 rounded-lg flex items-center justify-center text-white text-xs">Centro</div>
<div class="absolute left-4 top-4 w-20 h-20 bg-purple-400 rounded-lg translate-x-0 translate-y-0 flex items-center justify-center text-white text-xs">Origem</div>
<div class="absolute left-4 top-4 w-20 h-20 bg-purple-600 rounded-lg translate-x-8 translate-y-8 flex items-center justify-center text-white text-xs">+8</div>
<div class="absolute right-4 top-4 w-20 h-20 bg-purple-700 rounded-lg -translate-x-4 translate-y-4 flex items-center justify-center text-white text-xs">-4,+4</div>
</div>
</div>
<!-- skew -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">skew</h3>
<div class="flex flex-wrap gap-8 items-center justify-center">
<div class="w-24 h-24 bg-orange-500 rounded-lg skew-x-0 flex items-center justify-center text-white text-xs">skew-x-0</div>
<div class="w-24 h-24 bg-orange-500 rounded-lg skew-x-3 flex items-center justify-center text-white text-xs">skew-x-3</div>
<div class="w-24 h-24 bg-orange-500 rounded-lg skew-x-6 flex items-center justify-center text-white text-xs">skew-x-6</div>
<div class="w-24 h-24 bg-orange-500 rounded-lg skew-x-12 flex items-center justify-center text-white text-xs">skew-x-12</div>
</div>
</div>
</div>
</body>
</html>
Referência de classes de transformação:
| Classe | Valor CSS | Descrição |
|---|---|---|
scale-0 |
transform: scale(0) |
Escala para 0 |
scale-50 |
transform: scale(0.5) |
Escala para 50% |
scale-75 |
transform: scale(0.75) |
Escala para 75% |
scale-90 |
transform: scale(0.9) |
Escala para 90% |
scale-95 |
transform: scale(0.95) |
Escala para 95% |
scale-100 |
transform: scale(1) |
Tamanho original (padrão) |
scale-105 |
transform: scale(1.05) |
Escala para 105% |
scale-110 |
transform: scale(1.1) |
Escala para 110% |
scale-125 |
transform: scale(1.25) |
Escala para 125% |
scale-150 |
transform: scale(1.5) |
Escala para 150% |
rotate-0 |
transform: rotate(0deg) |
Sem rotação |
rotate-1 |
transform: rotate(1deg) |
Rotacionar 1 grau |
rotate-2 |
transform: rotate(2deg) |
Rotacionar 2 graus |
rotate-3 |
transform: rotate(3deg) |
Rotacionar 3 graus |
rotate-6 |
transform: rotate(6deg) |
Rotacionar 6 graus |
rotate-12 |
transform: rotate(12deg) |
Rotacionar 12 graus |
rotate-45 |
transform: rotate(45deg) |
Rotacionar 45 graus |
rotate-90 |
transform: rotate(90deg) |
Rotacionar 90 graus |
rotate-180 |
transform: rotate(180deg) |
Rotacionar 180 graus |
translate-x-0 |
transform: translateX(0) |
Sem translação horizontal |
translate-x-1 |
transform: translateX(0.25rem) |
Transladar horizontalmente 4px |
translate-x-2 |
transform: translateX(0.5rem) |
Transladar horizontalmente 8px |
translate-x-4 |
transform: translateX(1rem) |
Transladar horizontalmente 16px |
translate-x-full |
transform: translateX(100%) |
Transladar horizontalmente 100% |
-translate-x-1/2 |
transform: translateX(-50%) |
Transladar horizontalmente -50% |
translate-y-0 |
transform: translateY(0) |
Sem translação vertical |
translate-y-1 |
transform: translateY(0.25rem) |
Transladar verticalmente 4px |
translate-y-full |
transform: translateY(100%) |
Transladar verticalmente 100% |
-translate-y-1/2 |
transform: translateY(-50%) |
Transladar verticalmente -50% |
skew-x-0 |
transform: skewX(0deg) |
Sem inclinação |
skew-x-1 |
transform: skewX(1deg) |
Inclinação horizontal de 1 grau |
skew-x-3 |
transform: skewX(3deg) |
Inclinação horizontal de 3 graus |
skew-x-6 |
transform: skewX(6deg) |
Inclinação horizontal de 6 graus |
skew-x-12 |
transform: skewX(12deg) |
Inclinação horizontal de 12 graus |
skew-y-0 |
transform: skewY(0deg) |
Sem inclinação |
skew-y-1 |
transform: skewY(1deg) |
Inclinação vertical de 1 grau |
skew-y-3 |
transform: skewY(3deg) |
Inclinação vertical de 3 graus |
skew-y-6 |
transform: skewY(6deg) |
Inclinação vertical de 6 graus |
skew-y-12 |
transform: skewY(12deg) |
Inclinação vertical de 12 graus |
CSS Tradicional vs Tailwind A abordagem tradicional exige escrever propriedades complexas como
transform: scale(1.1) rotate(3deg)no CSS, enquanto o Tailwind usa nomes de classes comoscale-110 rotate-3para declará-los diretamente. Valores negativos usam a sintaxe-translate-x-1/2.
-translate-x-1/2 -translate-y-1/2 com left-1/2 top-1/2 permite o perfeito centralizado horizontal e vertical.
Origem da Transformação (origin-*)
As utilidades origin-* definem o ponto de origem para as transformações.
Exemplo
<!DOCTYPE html>
<html lang="pt-br">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Demonstração de Origem da Transformação</title>
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="min-h-screen bg-gray-100 p-8">
<div class="max-w-4xl mx-auto space-y-8">
<!-- Posições de origem -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">Origem da Transformação</h3>
<div class="flex flex-wrap gap-8 items-center justify-center">
<div class="text-center">
<div class="w-24 h-24 bg-blue-500 rounded-lg rotate-45 origin-center flex items-center justify-center text-white text-xs">origin-center</div>
<p class="text-sm mt-2">centro (padrão)</p>
</div>
<div class="text-center">
<div class="w-24 h-24 bg-green-500 rounded-lg rotate-45 origin-top-left flex items-center justify-center text-white text-xs">origin-top</div>
<p class="text-sm mt-2">origin-top-left</p>
</div>
<div class="text-center">
<div class="w-24 h-24 bg-purple-500 rounded-lg rotate-45 origin-top-right flex items-center justify-center text-white text-xs">origin-top</div>
<p class="text-sm mt-2">origin-top-right</p>
</div>
<div class="text-center">
<div class="w-24 h-24 bg-orange-500 rounded-lg rotate-45 origin-bottom-left flex items-center justify-center text-white text-xs">origin-bottom</div>
<p class="text-sm mt-2">origin-bottom-left</p>
</div>
<div class="text-center">
<div class="w-24 h-24 bg-red-500 rounded-lg rotate-45 origin-bottom-right flex items-center justify-center text-white text-xs">origin-bottom</div>
<p class="text-sm mt-2">origin-bottom-right</p>
</div>
</div>
</div>
<!-- Aplicação prática -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">Aplicação Prática: Animação de Rotação</h3>
<div class="flex gap-8 items-center justify-center">
<div class="text-center">
<div class="w-16 h-16 bg-blue-500 rounded-lg hover:rotate-45 origin-center transition-transform duration-300 flex items-center justify-center text-white cursor-pointer">
Centro
</div>
</div>
<div class="text-center">
<div class="w-16 h-16 bg-green-500 rounded-lg hover:rotate-45 origin-top-left transition-transform duration-300 flex items-center justify-center text-white cursor-pointer">
Superior esquerdo
</div>
</div>
<div class="text-center">
<div class="w-16 h-16 bg-purple-500 rounded-lg hover:rotate-45 origin-bottom-right transition-transform duration-300 flex items-center justify-center text-white cursor-pointer">
Inferior direito
</div>
</div>
</div>
</div>
</div>
</body>
</html>
Referência de classes de origem da transformação:
| Classe | Valor CSS | Descrição |
|---|---|---|
origin-center |
transform-origin: center |
Centro (padrão) |
origin-top |
transform-origin: top |
Centro superior |
origin-top-right |
transform-origin: top right |
Canto superior direito |
origin-right |
transform-origin: right |
Centro direito |
origin-bottom-right |
transform-origin: bottom right |
Canto inferior direito |
origin-bottom |
transform-origin: bottom |
Centro inferior |
origin-bottom-left |
transform-origin: bottom left |
Canto inferior esquerdo |
origin-left |
transform-origin: left |
Centro esquerdo |
origin-top-left |
transform-origin: top left |
Canto superior esquerdo |
CSS Tradicional vs Tailwind A abordagem tradicional exige definir a propriedade
transform-originno CSS, enquanto o Tailwind usa nomes de classes comoorigin-centereorigin-top-leftpara declará-la diretamente.
origin-top-left faz o elemento rotacionar a partir do seu canto superior esquerdo, enquanto origin-center rotaciona a partir do centro.
Filtros de Fundo (backdrop-*)
As utilidades backdrop-* usam a propriedade CSS backdrop-filter para aplicar efeitos de filtro ao conteúdo atrás de um elemento.
Exemplo
<!DOCTYPE html>
<html lang="pt-br">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Demonstração de Filtro de Fundo</title>
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="min-h-screen bg-gray-100 p-8">
<div class="max-w-4xl mx-auto space-y-8">
<!-- backdrop-blur -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">backdrop-blur</h3>
<div class="relative h-48 rounded-lg overflow-hidden" style="background-image: url('https://picsum.photos/400/200'); background-size: cover;">
<div class="absolute inset-0 flex items-center justify-center gap-4">
<div class="bg-white/30 backdrop-blur-sm px-6 py-3 rounded-lg text-center">
<div class="font-semibold">blur-sm</div>
</div>
<div class="bg-white/30 backdrop-blur px-6 py-3 rounded-lg text-center">
<div class="font-semibold">blur</div>
</div>
<div class="bg-white/30 backdrop-blur-md px-6 py-3 rounded-lg text-center">
<div class="font-semibold">blur-md</div>
</div>
<div class="bg-white/30 backdrop-blur-lg px-6 py-3 rounded-lg text-center">
<div class="font-semibold">blur-lg</div>
</div>
<div class="bg-white/30 backdrop-blur-xl px-6 py-3 rounded-lg text-center">
<div class="font-semibold">blur-xl</div>
</div>
</div>
</div>
</div>
<!-- backdrop-brightness -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">backdrop-brightness</h3>
<div class="relative h-48 rounded-lg overflow-hidden" style="background-image: url('https://picsum.photos/400/200'); background-size: cover;">
<div class="absolute inset-0 flex items-center justify-center gap-4">
<div class="bg-black/30 backdrop-brightness-50 px-6 py-3 rounded-lg text-white text-center">
<div class="font-semibold">brightness-50</div>
</div>
<div class="bg-black/30 backdrop-brightness-75 px-6 py-3 rounded-lg text-white text-center">
<div class="font-semibold">brightness-75</div>
</div>
<div class="bg-black/30 backdrop-brightness-100 px-6 py-3 rounded-lg text-white text-center">
<div class="font-semibold">brightness-100</div>
</div>
<div class="bg-black/30 backdrop-brightness-125 px-6 py-3 rounded-lg text-white text-center">
<div class="font-semibold">brightness-125</div>
</div>
</div>
</div>
</div>
<!-- Aplicação prática: Vidro Fosco -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">Aplicação Prática: Vidro Fosco</h3>
<div class="relative h-64 rounded-lg overflow-hidden" style="background-image: url('https://picsum.photos/600/300'); background-size: cover;">
<div class="absolute inset-0 flex items-center justify-center">
<div class="bg-white/20 backdrop-blur-lg rounded-2xl p-8 text-center shadow-xl">
<h4 class="text-2xl font-bold text-white mb-2">Efeito Vidro Fosco</h4>
<p class="text-white/80">Alcançado com backdrop-blur-lg</p>
<button class="mt-4 bg-white/30 hover:bg-white/50 text-white px-6 py-2 rounded-full transition-colors">
Experimente Agora
</button>
</div>
</div>
</div>
</div>
<!-- Aplicação prática: Fundo do Modal -->
<div class="bg-white rounded-lg shadow p-6">
<h3 class="font-semibold mb-4">Aplicação Prática: Fundo do Modal</h3>
<div class="relative h-64 rounded-lg overflow-hidden" style="background-image: url('https://picsum.photos/600/300'); background-size: cover;">
<!-- Sobreposição do modal -->
<div class="absolute inset-0 bg-black/50 backdrop-blur-sm"></div>
<!-- Conteúdo do modal -->
<div class="absolute inset-0 flex items-center justify-center">
<div class="bg-white rounded-xl p-6 w-80 shadow-2xl">
<h4 class="text-xl font-semibold mb-2">Modal</h4>
<p class="text-gray-600 mb-4">Blur de fundo alcançado com backdrop-blur-sm</p>
<div class="flex justify-end gap-3">
<button class="px-4 py-2 text-gray-600 hover:bg-gray-100 rounded">Cancelar</button>
<button class="px-4 py-2 bg-blue-600 text-white rounded hover:bg-blue-700">Confirmar</button>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
Referência de classes de filtro de fundo:
| Classe | Valor CSS | Descrição |
|---|---|---|
backdrop-blur-0 |
backdrop-filter: blur(0) |
Sem blur de fundo |
backdrop-blur-sm |
backdrop-filter: blur(4px) |
Blur de fundo pequeno |
backdrop-blur |
backdrop-filter: blur(8px) |
Blur de fundo padrão |
backdrop-blur-md |
backdrop-filter: blur(12px) |
Blur de fundo médio |
backdrop-blur-lg |
backdrop-filter: blur(16px) |
Blur de fundo grande |
backdrop-blur-xl |
backdrop-filter: blur(24px) |
Blur de fundo extra grande |
backdrop-blur-2xl |
backdrop-filter: blur(40px) |
Blur de fundo gigante |
backdrop-blur-3xl |
backdrop-filter: blur(64px) |
Blur de fundo colossal |
backdrop-brightness-0 |
backdrop-filter: brightness(0) |
Fundo completamente escuro |
backdrop-brightness-50 |
backdrop-filter: brightness(0.5) |
50% de brilho no fundo |
backdrop-brightness-100 |
backdrop-filter: brightness(1) |
100% de brilho no fundo |
backdrop-brightness-150 |
backdrop-filter: brightness(1.5) |
150% de brilho no fundo |
backdrop-contrast-0 |
backdrop-filter: contrast(0) |
Sem contraste no fundo |
backdrop-contrast-100 |
backdrop-filter: contrast(1) |
100% de contraste no fundo |
backdrop-grayscale-0 |
backdrop-filter: grayscale(0) |
Sem escala de cinza no fundo |
backdrop-grayscale |
backdrop-filter: grayscale(100%) |
Escala de cinza completa no fundo |
backdrop-hue-rotate-0 |
backdrop-filter: hue-rotate(0deg) |
Sem rotação de matiz no fundo |
backdrop-hue-rotate-90 |
backdrop-filter: hue-rotate(90deg) |
Rotação de matiz de 90 graus no fundo |
backdrop-invert-0 |
backdrop-filter: invert(0) |
Sem inversão no fundo |
backdrop-invert |
backdrop-filter: invert(100%) |
Inversão completa no fundo |
backdrop-opacity-0 |
backdrop-filter: opacity(0) |
Fundo totalmente transparente |
backdrop-opacity-50 |
backdrop-filter: opacity(0.5) |
50% de opacidade no fundo |
backdrop-opacity-100 |
backdrop-filter: opacity(1) |
100% de opacidade no fundo |
backdrop-saturate-0 |
backdrop-filter: saturate(0) |
Sem saturação no fundo |
backdrop-saturate-100 |
backdrop-filter: saturate(1) |
100% de saturação no fundo |
backdrop-saturate-200 |
backdrop-filter: saturate(2) |
200% de saturação no fundo |
backdrop-sepia-0 |
backdrop-filter: sepia(0) |
Sem sépia no fundo |
backdrop-sepia |
backdrop-filter: sepia(100%) |
Sépia completo no fundo |
CSS Tradicional vs Tailwind A abordagem tradicional exige escrever propriedades complexas como
backdrop-filter: blur(16px) brightness(0.8)no CSS, enquanto o Tailwind usa nomes de classes comobackdrop-blur-lg backdrop-brightness-75para declará-los diretamente.
backdrop-filter exige que o elemento tenha transparência no fundo para que o efeito seja visível. Normalmente é combinado com bg-white/20 ou bg-black/50. Alguns navegadores exigem o prefixo -webkit-.
Exemplo Abrangente
Combinando todos os conceitos acima, aqui está um exemplo completo de filtros e transformações.
Exemplo
<!DOCTYPE html>
<html lang="pt-br">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Exemplo Abrangente de Filtros e Transformações</title>
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="min-h-screen bg-gray-100 p-8">
<div class="max-w-4xl mx-auto space-y-8">
<!-- Galeria de Imagens -->
<div class="bg-white rounded-xl shadow-lg p-6">
<h3 class="font-semibold mb-4">Galeria de Imagens (Efeitos de Filtro)</h3>
<div class="grid grid-cols-2 md:grid-cols-4 gap-4">
<div class="group cursor-pointer">
<img src="https://picsum.photos/200/200?random=1" alt="Original" class="rounded-lg w-full group-hover:scale-105 transition-transform duration-300">
<p class="text-sm text-center mt-2">Original</p>
</div>
<div class="group cursor-pointer">
<img src="https://picsum.photos/200/200?random=2" alt="Escala de Cinza" class="rounded-lg w-full grayscale group-hover:grayscale-0 group-hover:scale-105 transition-all duration-300">
<p class="text-sm text-center mt-2">Escala de Cinza -> Cor</p>
</div>
<div class="group cursor-pointer">
<img src="https://picsum.photos/200/200?random=3" alt="Sépia" class="rounded-lg w-full sepia group-hover:sepia-0 group-hover:scale-105 transition-all duration-300">
<p class="text-sm text-center mt-2">Sépia -> Cor</p>
</div>
<div class="group cursor-pointer">
<img src="https://picsum.photos/200/200?random=4" alt="Blur" class="rounded-lg w-full blur-sm group-hover:blur-0 group-hover:scale-105 transition-all duration-300">
<p class="text-sm text-center mt-2">Blur -> Nítido</p>
</div>
</div>
</div>
<!-- Efeitos de Hover nos Cartões -->
<div class="grid grid-cols-1 md:grid-cols-3 gap-6">
<div class="bg-white rounded-xl shadow-lg overflow-hidden group cursor-pointer">
<div class="relative h-48 overflow-hidden">
<img src="https://picsum.photos/400/200?random=5" alt="Cartão" class="w-full h-full object-cover group-hover:scale-110 transition-transform duration-500">
<div class="absolute inset-0 bg-gradient-to-t from-black/60 to-transparent"></div>
<div class="absolute bottom-4 left-4 text-white">
<h4 class="font-semibold">Efeito de Escala</h4>
</div>
</div>
<div class="p-4">
<p class="text-gray-600 text-sm">Imagem amplia ao passar o mouse</p>
</div>
</div>
<div class="bg-white rounded-xl shadow-lg overflow-hidden group cursor-pointer">
<div class="relative h-48 overflow-hidden">
<img src="https://picsum.photos/400/200?random=6" alt="Cartão" class="w-full h-full object-cover group-hover:rotate-3 transition-transform duration-500 origin-center">
<div class="absolute inset-0 bg-gradient-to-t from-black/60 to-transparent"></div>
<div class="absolute bottom-4 left-4 text-white">
<h4 class="font-semibold">Efeito de Rotação</h4>
</div>
</div>
<div class="p-4">
<p class="text-gray-600 text-sm">Imagem rotaciona ao passar o mouse</p>
</div>
</div>
<div class="bg-white rounded-xl shadow-lg overflow-hidden group cursor-pointer">
<div class="relative h-48 overflow-hidden">
<img src="https://picsum.photos/400/200?random=7" alt="Cartão" class="w-full h-full object-cover group-hover:brightness-125 transition-all duration-500">
<div class="absolute inset-0 bg-gradient-to-t from-black/60 to-transparent"></div>
<div class="absolute bottom-4 left-4 text-white">
<h4 class="font-semibold">Efeito de Brilho</h4>
</div>
</div>
<div class="p-4">
<p class="text-gray-600 text-sm">Brilho aumenta ao passar o mouse</p>
</div>
</div>
</div>
<!-- Barra de Navegação com Vidro Fosco -->
<div class="relative h-96 rounded-xl overflow-hidden" style="background-image: url('https://picsum.photos/800/400'); background-size: cover; background-position: center;">
<!-- Barra de navegação -->
<nav class="absolute top-0 left-0 right-0 bg-white/10 backdrop-blur-lg border-b border-white/20">
<div class="flex justify-between items-center px-6 py-4">
<div class="text-white font-bold text-xl">Logo</div>
<div class="flex gap-6">
<a href="#" class="text-white/80 hover:text-white transition-colors">Início</a>
<a href="#" class="text-white/80 hover:text-white transition-colors">Produtos</a>
<a href="#" class="text-white/80 hover:text-white transition-colors">Sobre</a>
</div>
</div>
</nav>
<!-- Conteúdo -->
<div class="absolute inset-0 flex items-center justify-center">
<div class="text-center text-white">
<h2 class="text-4xl font-bold mb-4 drop-shadow-lg">Efeito Vidro Fosco</h2>
<p class="text-xl opacity-90 drop-shadow">Alcançado com backdrop-blur-lg</p>
</div>
</div>
</div>
<!-- Combinações de Transformação -->
<div class="bg-white rounded-xl shadow-lg p-6">
<h3 class="font-semibold mb-4">Combinações de Transformação</h3>
<div class="flex flex-wrap gap-8 items-center justify-center">
<div class="w-24 h-24 bg-blue-500 rounded-lg scale-110 rotate-6 shadow-lg flex items-center justify-center text-white text-xs">
escala + rotação
</div>
<div class="w-24 h-24 bg-green-500 rounded-lg scale-90 -rotate-12 shadow-lg flex items-center justify-center text-white text-xs">
escala + rotação
</div>
<div class="w-24 h-24 bg-purple-500 rounded-lg skew-x-6 scale-105 shadow-lg flex items-center justify-center text-white text-xs">
inclinação + escala
</div>
<div class="w-24 h-24 bg-orange-500 rounded-lg -skew-x-3 rotate-3 translate-y-2 shadow-lg flex items-center justify-center text-white text-xs">
Combinado
</div>
</div>
</div>
</div>
</body>
</html>
CSS Tradicional vs Tailwind A abordagem tradicional exige escrever bastante CSS para alcançar efeitos de hover em galerias de imagens, barras de navegação com vidro fosco e combinações de transformações, enquanto o Tailwind usa utilidades de filtro e transformação para fazer tudo diretamente no HTML.
❓ Perguntas Frequentes
P: Qual é a diferença entre filter e backdrop-filter? R: O
filterafeta o próprio elemento e seu conteúdo. Obackdrop-filterafeta o conteúdo atrás do elemento e exige que o elemento tenha transparência no fundo para que o efeito seja visível. É comumente usado para efeitos de vidro fosco.
P: Várias transformações podem ser combinadas? R: Sim. O Tailwind suporta combinar múltiplas classes de transformação, por exemplo
scale-110 rotate-6 translate-x-4. Observe que a ordem das transformações afeta o resultado final.
P: Como alcançar animações suaves de transformação? R: Use as classes
transition-all duration-300outransition-transform duration-500. Atransition-allfaz a transição de todas as propriedades, enquantotransition-transformfaz a transição apenas das propriedades de transformação.
P: Por que não consigo ver o efeito de backdrop-blur? R: O backdrop-blur exige que o elemento tenha transparência no fundo para ser visível. Certifique-se de usar um fundo semitransparente como
bg-white/20oubg-black/50. Além disso, verifique se seu navegador suporta a propriedadebackdrop-filter.
📖 Resumo
blur-*,brightness-*,contrast-*e outras utilidades de filtro definem a propriedade CSS filtergrayscale,sepia,invertproporcionam efeitos especiais de corsaturate-*,hue-rotate-*controlam saturação e matizscale-*dimensiona elementos,rotate-*rotaciona elementostranslate-x-*,translate-y-*transladam elementosskew-x-*,skew-y-*inclinam elementosorigin-*define a origem da transformaçãobackdrop-*aplica filtros ao conteúdo atrás do elemento, comumente usado para efeitos de vidro fosco
📝 Exercícios
-
⭐ Crie uma galeria de imagens usando
grayscaleehover:grayscale-0para alcançar um efeito de escala de cinza para cor ao passar o mouse -
⭐⭐ Crie um componente de cartão usando
hover:scale-105 hover:shadow-xl transition-allpara alcançar um efeito de zoom e sombra ao passar o mouse -
⭐⭐⭐ Crie um popup de login com vidro fosco usando
backdrop-blur-lg bg-white/20para o blur de fundo, combinado comscale-95 hover:scale-100para a animação de zoom ao passar o mouse



