---
id: 5d822fd413a79914d39e9900
title: Part 56
challengeType: 0
isHidden: true
---
## Description
Next, change the two `#999` of `bb2a` to `transparent`. This will make the left and right borders invisible.
## Instructions
## Tests
```yml
tests:
- text: test-text
testString: const bb2a = code.match(/\.bb2a\s*{[\s\S]+?[^}]}/g)[0]; assert(/border-left\s*:\s*5vw\s+solid\s+transparent\s*(;|})/g.test(bb2a) && /border-right\s*:\s*5vw\s+solid\s+transparent\s*(;|})/g.test(bb2a));
```
## Challenge Seed
```html
freeCodeCamp Skyline Project
```