1. 过滤
  2. backdrop-filter

过滤

backdrop-filter

用于将背景滤镜应用于元素的工具。

样式
backdrop-filter-none
backdrop-filter: none;
backdrop-filter-(<custom-property>)
backdrop-filter: var(<custom-property>);
backdrop-filter-[<value>]
backdrop-filter: <value>;

示例(Examples)

¥Examples

基本示例(Basic example)

¥Basic example

使用 backdrop-blur-xsbackdrop-grayscale 等工具将滤镜应用于元素的背景:

¥Use utilities like backdrop-blur-xs and backdrop-grayscale to apply filters to an element's backdrop:

backdrop-blur-xs

backdrop-grayscale

combined

<div class="bg-[url(/img/mountains.jpg)] ..."><div class="backdrop-blur-xs ..."></div></div><div class="bg-[url(/img/mountains.jpg)] ..."><div class="backdrop-grayscale ..."></div></div><div class="bg-[url(/img/mountains.jpg)] ..."><div class="backdrop-blur-xs backdrop-grayscale ..."></div></div>

你可以组合以下背景滤镜工具:blurbrightnesscontrastgrayscalehue-rotateinvertopacitysaturatesepia

¥You can combine the following backdrop filter utilities: blur, brightness, contrast, grayscale, hue-rotate, invert, opacity, saturate, and sepia.

删除过滤(Removing filters)

¥Removing filters

使用 backdrop-filter-none 工具删除应用于元素的所有背景滤镜:

¥Use the backdrop-filter-none utility to remove all of the backdrop filters applied to an element:

<div class="backdrop-blur-md backdrop-brightness-150 md:backdrop-filter-none"></div>

使用自定义值(Using a custom value)

¥Using a custom value

使用 backdrop-filter-[<value>] 语法 根据完全自定义的值设置 backdrop filter

<div class="backdrop-filter-[url('filters.svg#filter-id')] ...">  <!-- ... --></div>

对于 CSS 变量,还可以使用 backdrop-filter-(<custom-property>) 语法:

<div class="backdrop-filter-(--my-backdrop-filter) ...">  <!-- ... --></div>

这只是简写,用于 backdrop-filter-[var(<custom-property>)] 它会自动为你添加 var() 函数。

悬停时应用(Applying on hover)

¥Applying on hover

backdrop-filter 工具前面加上一个变体,例如 hover:*,以便仅在该状态下应用该工具:

<div class="backdrop-blur-sm hover:backdrop-filter-none ...">  <!-- ... --></div>

请参阅 变体文档 详细了解如何使用变体。

响应式设计(Responsive design)

¥Responsive design

backdrop-filter 工具前面使用断点变体如 md: 仅在 medium 屏幕尺寸及以上时应用工具:

<div class="backdrop-blur-sm md:backdrop-filter-none ...">  <!-- ... --></div>

请参阅 变体文档 详细了解如何使用变体。

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