过滤
backdrop-filter: grayscale()
用于将背景灰度滤镜应用于元素的工具。
| 类 | 样式 |
|---|---|
backdrop-grayscale | backdrop-filter: grayscale(100%); |
backdrop-grayscale-<number> | backdrop-filter: grayscale(<number>%); |
backdrop-grayscale-(<custom-property>) | backdrop-filter: grayscale(var(<custom-property>)); |
backdrop-grayscale-[<value>] | backdrop-filter: grayscale(<value>); |
示例(Examples)
¥Examples
基本示例(Basic example)
¥Basic example
使用 backdrop-grayscale-50 和 backdrop-grayscale 等工具控制应用于元素背景的灰度效果：
¥Use utilities like backdrop-grayscale-50 and backdrop-grayscale to control the grayscale effect applied to an element's backdrop:
backdrop-grayscale-0
backdrop-grayscale-50
backdrop-grayscale
<div class="bg-[url(/img/mountains.jpg)]"><div class="bg-white/30 backdrop-grayscale-0 ..."></div></div><div class="bg-[url(/img/mountains.jpg)]"><div class="bg-white/30 backdrop-grayscale-50 ..."></div></div><div class="bg-[url(/img/mountains.jpg)]"><div class="bg-white/30 backdrop-grayscale-200 ..."></div></div>使用自定义值(Using a custom value)
¥Using a custom value
使用 backdrop-grayscale-[<value>] 语法 根据完全自定义的值设置 backdrop grayscale：
<div class="backdrop-grayscale-[0.5] ..."> <!-- ... --></div>对于 CSS 变量，还可以使用 backdrop-grayscale-(<custom-property>) 语法：
<div class="backdrop-grayscale-(--my-backdrop-grayscale) ..."> <!-- ... --></div>这只是简写，用于 backdrop-grayscale-[var(<custom-property>)] 它会自动为你添加 var() 函数。
响应式设计(Responsive design)
¥Responsive design
在 backdrop-filter: grayscale() 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-grayscale md:backdrop-grayscale-0 ..."> <!-- ... --></div>请参阅 变体文档 详细了解如何使用变体。