---
id: 5d822fd413a79914d39e9920
title: Part 88
challengeType: 0
isHidden: true
---
## Description
For `fb2a`, add a `border-bottom` of `10vh solid var(--building-color3)` and a `border-left` and `border-right` of `1vw solid transparent`. This time the border trick will create a trapezoid shape.
## Instructions
## Tests
```yml
tests:
- text: test-text
testString: const fb2a = code.match(/\.fb2a\s*{[\s\S]+?[^}]}/g)[0]; assert(/border-bottom\s*:\s*10vh\s+solid\s+var\(\s*--building-color3\s*\)\s*(;|})/g.test(fb2a) && /border-left\s*:\s*1vw\s+solid\s+transparent\s*(;|})/g.test(fb2a) && /border-right\s*:\s*1vw\s+solid\s+transparent\s*(;|})/g.test(fb2a));
```
## Challenge Seed
```html
freeCodeCamp Skyline Project
```