过滤
backdrop-filter
用于将背景滤镜应用于元素的工具。
类 | 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-xs
和 backdrop-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:blur、brightness、contrast、grayscale、hue-rotate、invert、opacity、saturate 和 sepia。
¥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
在 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
在 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。