---
id: 5d822fd413a79914d39e98de
title: Part 22
challengeType: 0
isHidden: true
---
## Description
Create a new variable by the other one called `--building-color2` and give it a value of `#66cc99`. Then set it as the `background-color` of `bb2`.
## Instructions
## Tests
```yml
tests:
- text: test-text
testString: const bb1style = code.match(/\.bb1\s*{[\s\S]+?[^}]}/g)[0]; const bb2style = code.match(/\.bb2\s*{[\s\S]+?[^}]}/g)[0]; assert(/--building-color2\s*:\s*#66cc99\s*(;|\s*})/g.test(bb1style) && /background-color\s*:\s*var\(\s*--building-color2\s*\)\s*(;|\s*})/g.test(bb2style));
```
## Challenge Seed
```html
freeCodeCamp Skyline Project
```