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Backdrop Brightness

Tailwind CSS version

Utilities for applying backdrop brightness filters to an element.

Default class reference

backdrop-brightness-0--tw-backdrop-brightness: brightness(0);
backdrop-brightness-50--tw-backdrop-brightness: brightness(.5);
backdrop-brightness-75--tw-backdrop-brightness: brightness(.75);
backdrop-brightness-90--tw-backdrop-brightness: brightness(.9);
backdrop-brightness-95--tw-backdrop-brightness: brightness(.95);
backdrop-brightness-100--tw-backdrop-brightness: brightness(1);
backdrop-brightness-105--tw-backdrop-brightness: brightness(1.05);
backdrop-brightness-110--tw-backdrop-brightness: brightness(1.1);
backdrop-brightness-125--tw-backdrop-brightness: brightness(1.25);
backdrop-brightness-150--tw-backdrop-brightness: brightness(1.5);
backdrop-brightness-200--tw-backdrop-brightness: brightness(2);


Use the backdrop-brightness-{amount?} utilities alongside the backdrop-filter utility to control an element's backdrop brightness.

<div class="backdrop-filter backdrop-brightness-125 ...">
  <!-- ... -->


To control an element's backdrop brightness at a specific breakpoint, add a {screen}: prefix to any existing backdrop brightness utility. For example, use md:backdrop-brightness-150 to apply the backdrop-brightness-150 utility at only medium screen sizes and above.

<div class="backdrop-filter backdrop-brightness-110 md:backdrop-brightness-150 ...">
  <!-- ... -->

For more information about Tailwind's responsive design features, check out the Responsive Design documentation.



默认情况下, 针对 backdrop brightness 功能类,只生成 responsive 变体。

您可以通过修改您的 tailwind.config.js 文件中的 variants 部分中的 backdropBrightness 属性来控制为 backdrop brightness 功能生成哪些变体。

例如,这个配置将生成 hover and focus 变体:

  // tailwind.config.js
  module.exports = {
    variants: {
      extend: {
        // ...
+       backdropBrightness: ['hover', 'focus'],


如果您不打算在您的项目中使用 backdrop brightness 功能,您可以通过在配置文件的 corePlugins 部分将 backdropBrightness property to false in the corePlugins section of your config file:

  // tailwind.config.js
  module.exports = {
    corePlugins: {
      // ...
+     backdropBrightness: false,