---
id: 5d822fd413a79914d39e991f
title: Part 87
challengeType: 0
isHidden: true
---
## Description
Move the `background-color` property and value from `fb2` to `fb2b` to just color the section and not the container.
## Instructions
## Tests
```yml
tests:
- text: test-text
testString: const fb2 = code.match(/\.fb2\s*{[\s\S]+?[^}]}/g)[0]; const fb2b = code.match(/\.fb2b\s*{[\s\S]+?[^}]}/g)[0]; assert(!/background-color/g.test(fb2) && /background-color\s*:\s*var\(\s*--building-color3\s*\)\s*(;|})/g.test(fb2b));
```
## Challenge Seed
```html
freeCodeCamp Skyline Project
```