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backend/node_modules/postcss-normalize-url/README.md

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+# [postcss][postcss]-normalize-url
+
+> [Normalize URLs](https://github.com/sindresorhus/normalize-url) with PostCSS.
+
+## Install
+
+With [npm](https://npmjs.org/package/postcss-normalize-url) do:
+
+```
+npm install postcss-normalize-url --save
+```
+
+## Example
+
+### Input
+
+```css
+h1 {
+    background: url("http://site.com:80/image.jpg")
+}
+```
+
+### Output
+
+```css
+h1 {
+    background: url(http://site.com/image.jpg)
+}
+```
+
+Note that this module will also try to normalize relative URLs, and is capable
+of stripping unnecessary quotes. For more examples, see the [tests](test/index.js).
+
+## Usage
+
+See the [PostCSS documentation](https://github.com/postcss/postcss#usage) for
+examples for your environment.
+
+## Contributors
+
+See [CONTRIBUTORS.md](https://github.com/cssnano/cssnano/blob/master/CONTRIBUTORS.md).
+
+## License
+
+MIT © [Ben Briggs](http://beneb.info)
+
+[docs]: https://github.com/sindresorhus/normalize-url#options
+[postcss]: https://github.com/postcss/postcss