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Backdrop Filter Opacity

src/docs/backdrop-filter-opacity.mdx

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Original Source

import { ApiTable } from "@/components/api-table.tsx"; import { Example } from "@/components/example.tsx"; import { Figure } from "@/components/figure.tsx"; import { ResponsiveDesign, UsingACustomValue } from "@/components/content.tsx";

export const title = "backdrop-filter: opacity()"; export const description = "Utilities for applying backdrop opacity filters to an element.";

<ApiTable rows={[ ["backdrop-opacity-<number>", "backdrop-filter: opacity(<number>%);"], ["backdrop-opacity-(<custom-property>)", "backdrop-filter: opacity(var(<custom-property>));"], ["backdrop-opacity-[<value>]", "backdrop-filter: opacity(<value>);"], ]} />

Examples

Basic example

Use utilities like backdrop-opacity-50 and backdrop-opacity-75 to control the opacity of all the backdrop filters applied to an element:

<Figure> <Example padding={false}> { <div className="flex scroll-p-8 justify-start overflow-scroll sm:block sm:overflow-visible"> <div className="flex shrink-0 items-center justify-around gap-6 p-8 font-mono font-bold sm:gap-4"> <div className="flex shrink-0 flex-col items-center"> <p className="mb-3 text-center font-mono text-xs font-medium text-gray-500 dark:text-gray-400"> backdrop-opacity-10 </p> <div className="relative"> <div className="absolute inset-6 size-20 bg-white/30 backdrop-invert backdrop-opacity-10"></div>
        <div className="absolute inset-0 rounded-lg ring-1 ring-black/10 ring-inset"></div>
      </div>
    </div>
    <div className="flex shrink-0 flex-col items-center">
      <p className="mb-3 text-center font-mono text-xs font-medium text-gray-500 dark:text-gray-400">
        backdrop-opacity-60
      </p>
      <div className="relative">
        <div className="absolute inset-6 size-20 bg-white/30 backdrop-invert backdrop-opacity-60"></div>
        
        <div className="absolute inset-0 rounded-lg ring-1 ring-black/10 ring-inset"></div>
      </div>
    </div>
    <div className="flex shrink-0 flex-col items-center">
      <p className="mb-3 text-center font-mono text-xs font-medium text-gray-500 dark:text-gray-400">
        backdrop-opacity-95
      </p>
      <div className="relative">
        <div className="absolute inset-6 size-20 bg-white/30 backdrop-invert backdrop-opacity-95"></div>
        
        <div className="absolute inset-0 rounded-lg ring-1 ring-black/10 ring-inset"></div>
      </div>
    </div>
  </div>
</div>

} </Example>

html
<!-- [!code classes:backdrop-opacity-10,backdrop-opacity-60,backdrop-opacity-95] -->
<div class="bg-[url(/img/mountains.jpg)]">
  <div class="bg-white/30 backdrop-invert backdrop-opacity-10 ..."></div>
</div>
<div class="bg-[url(/img/mountains.jpg)]">
  <div class="bg-white/30 backdrop-invert backdrop-opacity-60 ..."></div>
</div>
<div class="bg-[url(/img/mountains.jpg)]">
  <div class="bg-white/30 backdrop-invert backdrop-opacity-95 ..."></div>
</div>
</Figure>

Using a custom value

<UsingACustomValue utility="backdrop-opacity" value=".15" name="backdrop filter opacity" variable="backdrop-filter-opacity" />

Responsive design

<ResponsiveDesign property="backdrop-filter: opacity()" defaultClass="backdrop-opacity-100" featuredClass="backdrop-opacity-60" />