---
id: 5d822fd413a79914d39e992d
title: Part 100
challengeType: 0
isHidden: true
---
## Description
Give the `fb4-window` elements a `width` of `30%`, `height` of `10%`, and `border-radius` of `50%`. These will make some circular windows for this building.
## Instructions
## Tests
```yml
tests:
- text: test-text
testString: const fb4w = code.match(/\.fb4-window\s*{[\s\S]+?[^}]}/g)[0]; assert(/width\s*:\s*30%\s*(;|})/g.test(fb4w) && /height\s*:\s*10%\s*(;|})/g.test(fb4w) && /border-radius\s*:\s*50%\s*(;|})/g.test(fb4w));
```
## Challenge Seed
```html
freeCodeCamp Skyline Project
```