---
id: 5d822fd413a79914d39e990c
title: Part 68
challengeType: 0
dashedName: part-68
---
# --description--
Create a new variable called `--window-color4` in `:root` and give it a value of `#8cb3d9`. This will be the secondary color for the last background building.
# --hints--
test-text
```js
const rootStyle = code.match(/:root\s*{[\s\S]+?[^}]}/g)[0];
assert(/--window-color4\s*:\s*#8cb3d9\s*(;|})/g.test(rootStyle));
```
# --seed--
## --seed-contents--
```html
freeCodeCamp Skyline Project
```
# --solutions--
```html
freeCodeCamp Skyline Project
```