2019-11-04 21:01:05 -06:00
---
id: 5d822fd413a79914d39e98d2
title: Part 10
challengeType: 0
2020-06-24 16:22:14 +09:00
isHidden: true
2019-11-04 21:01:05 -06:00
---
## Description
< section id = 'description' >
Nest a `div` with a class of `bb1` in the background buildings container. Give it a `width` of `10%` and `height` of `70%` . "bb" stands for "background building", this will be your first building.
< / section >
## Instructions
< section id = 'instructions' >
< / section >
## Tests
< section id = 'tests' >
```yml
tests:
- text: test-text
testString: const bb1 = code.match(/\.bb1\s*{[\s\S]+?[^}]}/g)[0]; assert($(".background-buildings")[0].contains($("div.bb1")[0]) && /width\s*:\s*10%\s*(;|})/g.test(bb1) && /height\s*:\s*70%\s*(;|})/g.test(bb1));
```
< / section >
## Challenge Seed
< section id = 'challengeSeed' >
< div id = 'html-seed' >
```html
<!DOCTYPE html>
< html >
< head >
< title > freeCodeCamp Skyline Project< / title >
< style >
* {
border: 1px solid black;
box-sizing: border-box;
}
body {
height: 100vh;
margin: 0;
overflow: hidden;
}
.background-buildings {
width: 100%;
height: 100%;
}
< / style >
< / head >
< body >
< div class = "background-buildings" > < / div >
< / body >
< / html >
```
< / div >
< / section >
## Solution
< section id = 'solution' >
```html
<!DOCTYPE html>
< html >
< head >
< title > freeCodeCamp Skyline Project< / title >
< style >
* {
border: 1px solid black;
box-sizing: border-box;
}
body {
height: 100vh;
margin: 0;
overflow: hidden;
}
.background-buildings {
width: 100%;
height: 100%;
}
.bb1 {
width: 10%;
height: 70%;
}
< / style >
< / head >
< body >
< div class = "background-buildings" >
< div class = "bb1" > < / div >
< / div >
< / body >
< / html >
```
< / section >
