---
id: 5a9d7295424fe3d0e10cad14
title: Cascading CSS variables
challengeType: 0
videoUrl: ''
localeTitle: ''
---
## Description
undefined
## Instructions
undefined
## Tests
```yml
tests:
- text: 'يعلن عن متغير --penguin-belly
في :root
--penguin-belly
إلى pink
.'
testString: 'assert(code.match(/:root\s*?{[\s\S]*--penguin-belly\s*?:\s*?pink\s*?;[\s\S]*}/gi), "declare the --penguin-belly
variable in the :root
and assign it to pink
.");'
```
## Challenge Seed
## Solution
```js
// solution required
```