---
id: 5d822fd413a79914d39e9900
title: Part 56
challengeType: 0
dashedName: part-56
---
# --description--
Next, change the two `#999` of `bb2a` to `transparent`. This will make the left and right borders invisible.
# --hints--
test-text
```js
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)
);
```
# --seed--
## --seed-contents--
```html
freeCodeCamp Skyline Project
```
# --solutions--
```html
freeCodeCamp Skyline Project
```