---
id: 5d822fd413a79914d39e9908
title: Part 64
challengeType: 0
isBeta: true
---
## Description
Remove the `background-color` property and value from `bb4` and add it to the three new sections; `bb4a`, `bb4b`, and `bb4c`, so only the sections are filled.
## Instructions
## Tests
```yml
tests:
- text: test-text
testString: const bb4 = code.match(/\.bb4\s*{[\s\S]+?[^}]}/g)[0]; assert(!/background-color/g.test(bb4) && $(".bb4a").css("background-color") === "rgb(83, 140, 198)" && $(".bb4b").css("background-color") === "rgb(83, 140, 198)" && $(".bb4c").css("background-color") === "rgb(83, 140, 198)");
```
## Challenge Seed
```html
freeCodeCamp Skyline Project
```