Index: frontend/node_modules/css-blank-pseudo/README.md
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+# CSS Blank Pseudo [<img src="http://jonathantneal.github.io/js-logo.svg" alt="" width="90" height="90" align="right">][CSS Blank Pseudo]
+
+[![NPM Version][npm-img]][npm-url]
+[<img alt="Discord" src="https://shields.io/badge/Discord-5865F2?logo=discord&logoColor=white">][discord]
+
+[CSS Blank Pseudo] lets you style form elements when they are empty, following
+the [Selectors Level 4] specification.
+
+```css
+input {
+  /* style an input */
+}
+
+input:blank {
+  /* style an input without a value */
+}
+```
+
+## Usage
+
+From the command line, transform CSS files that use `:blank` selectors:
+
+```bash
+npx css-blank-pseudo SOURCE.css --output TRANSFORMED.css
+```
+
+Next, use your transformed CSS with this script:
+
+```html
+<link rel="stylesheet" href="TRANSFORMED.css">
+<script src="https://unpkg.com/css-blank-pseudo/dist/browser-global.js"></script>
+<script>cssBlankPseudo(document)</script>
+```
+
+⚠️ Please use a versioned url, like this : `https://unpkg.com/css-blank-pseudo@3.0.0/dist/browser-global.js`
+Without the version, you might unexpectedly get a new major version of the library with breaking changes.
+
+⚠️ If you were using an older version via a CDN, please update the entire url.
+The old URL will no longer work in a future release.
+
+That’s it. The script works in most browsers.
+
+## How it works
+
+The [PostCSS plugin](README-POSTCSS.md) clones rules containing `:blank`,
+replacing them with an alternative `[blank]` selector.
+
+```css
+input:blank {
+  background-color: yellow;
+}
+
+/* becomes */
+
+input[blank] {
+  background-color: yellow;
+}
+
+input:blank {
+  background-color: yellow;
+}
+```
+
+Next, the [JavaScript library](README-BROWSER.md) adds a `blank` attribute to
+elements otherwise matching `:blank` natively.
+
+```html
+<input value="" blank>
+<input value="This element has a value">
+```
+
+## ⚠️ `:not(:blank)`
+
+with option : `preserve` `true`
+
+```css
+input:not(:blank) {
+  background-color: yellow;
+}
+
+/* becomes */
+
+input:not([blank]) {
+  background-color: yellow;
+}
+
+input:not(:blank) {
+  background-color: yellow;
+}
+```
+
+When you do not include the JS polyfill one will always match in browsers that support `:blank` natively.
+In browsers that do not support `:blank` natively the rule will be invalid.
+
+_currently no browsers support `:blank`_
+
+
+[discord]: https://discord.gg/bUadyRwkJS
+[npm-img]: https://img.shields.io/npm/v/css-blank-pseudo.svg
+[npm-url]: https://www.npmjs.com/package/css-blank-pseudo
+
+[CSS Blank Pseudo]: https://github.com/csstools/postcss-plugins/tree/main/plugins/css-blank-pseudo
+[PostCSS Preset Env]: https://preset-env.cssdb.org/
+[Selectors Level 4]: https://drafts.csswg.org/selectors-4/#blank