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backend/frontend/node_modules/postcss-double-position-gradients/README.md

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+# PostCSS Double Position Gradients [<img src="https://postcss.github.io/postcss/logo.svg" alt="PostCSS" width="90" height="90" align="right">][postcss]
+
+[![NPM Version][npm-img]][npm-url]
+[![Build Status][cli-img]][cli-url]
+[![Support Chat][git-img]][git-url]
+
+[PostCSS Double Position Gradients] lets you use double-position gradients in
+CSS, following the [CSS Image Values and Replaced Content] specification.
+
+```pcss
+.linear-gradient {
+  background-image: linear-gradient(90deg, black 25% 50%, blue 50% 75%);
+}
+
+.conic-gradient {
+  background-image: conic-gradient(yellowgreen 40%, gold 0deg 75%, #f06 0deg);
+}
+
+/* becomes */
+
+.linear-gradient {
+  background-image: linear-gradient(90deg, black 25%, black 50%, blue 50%, blue 75%);
+  background-image: linear-gradient(90deg, black 25% 50%, blue 50% 75%);
+}
+
+.conic-gradient {
+  background-image: conic-gradient(yellowgreen 40%, gold 0deg, gold 75%, #f06 0deg);
+  background-image: conic-gradient(yellowgreen 40%, gold 0deg 75%, #f06 0deg);
+}
+```
+
+## Usage
+
+Add [PostCSS Double Position Gradients] to your project:
+
+```bash
+npm install postcss-double-position-gradients --save-dev
+```
+
+Use [PostCSS Double Position Gradients] to process your CSS:
+
+```js
+const postcssDoublePositionGradients = require('postcss-double-position-gradients');
+
+postcssDoublePositionGradients.process(YOUR_CSS /*, processOptions, pluginOptions */);
+```
+
+Or use it as a [PostCSS] plugin:
+
+```js
+const postcss = require('postcss');
+const postcssDoublePositionGradients = require('postcss-double-position-gradients');
+
+postcss([
+  postcssDoublePositionGradients(/* pluginOptions */)
+]).process(YOUR_CSS /*, processOptions */);
+```
+
+[PostCSS Double Position Gradients] runs in all Node environments, with special instructions for:
+
+| [Node](INSTALL.md#node) | [PostCSS CLI](INSTALL.md#postcss-cli) | [Webpack](INSTALL.md#webpack) | [Create React App](INSTALL.md#create-react-app) | [Gulp](INSTALL.md#gulp) | [Grunt](INSTALL.md#grunt) |
+| --- | --- | --- | --- | --- | --- |
+
+## Options
+
+### preserve
+
+The `preserve` option determines whether the original double-position gradients
+should be preserved. By default, double-position gradients are preserved.
+
+```js
+postcssDoublePositionGradients({ preserve: false })
+```
+
+```css
+.linear-gradient {
+  background-image: linear-gradient(90deg, black 25% 50%, blue 50% 75%);
+}
+
+.conic-gradient {
+  background-image: conic-gradient(yellowgreen 40%, gold 0deg 75%, #f06 0deg);
+}
+
+/* becomes */
+
+.linear-gradient {
+  background-image: linear-gradient(90deg, black 25%, black 50%, blue 50%, blue 75%);
+}
+
+.conic-gradient {
+  background-image: conic-gradient(yellowgreen 40%, gold 0deg, gold 75%, #f06 0deg);
+}
+```
+
+[cli-img]: https://img.shields.io/travis/jonathantneal/postcss-double-position-gradients/master.svg
+[cli-url]: https://travis-ci.org/jonathantneal/postcss-double-position-gradients
+[git-img]: https://img.shields.io/badge/support-chat-blue.svg
+[git-url]: https://gitter.im/postcss/postcss
+[npm-img]: https://img.shields.io/npm/v/postcss-double-position-gradients.svg
+[npm-url]: https://www.npmjs.com/package/postcss-double-position-gradients
+
+[CSS Image Values and Replaced Content]: https://www.w3.org/TR/css-images-4/#color-stop-syntax
+[PostCSS]: https://github.com/postcss/postcss
+[PostCSS Double Position Gradients]: https://github.com/jonathantneal/postcss-double-position-gradients