---
id: 5d822fd413a79914d39e992c
title: Part 100
challengeType: 0
isBeta: true
---
## Description
Nest six `div` elements within `fb4b` and give them all a class of `fb4-window`.
## Instructions
## Tests
```yml
tests:
- text: test-text
testString: assert($(".fb4b").children("div.fb4-window").length === 6);
```
## Challenge Seed
```html
freeCodeCamp Skyline Project
```