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---
id: 5d822fd413a79914d39e98de
title: Passo 22
challengeType: 0
dashedName: step-22
---
# --description--
Crie uma variável abaixo da outra chamada `--building-color2` e dê a ela um valor de `#66cc99` . Em seguida, defina-a como a `background-color` de `.bb2` .
# --hints--
Você deve definir uma nova propriedade variável chamada `--building-color2` .
```js
assert.exists(new __helpers.CSSHelp(document).isPropertyUsed('--building-color2'));
```
Você deve dar a `--building-color2` um valor de `#66cc99` .
```js
assert.equal(new __helpers.CSSHelp(document).getStyle('.bb1')?.getPropertyValue('--building-color2').trim(), '#66cc99');
```
Você deve definir a `background-color` de `.bb2` .
```js
assert.exists(new __helpers.CSSHelp(document).getStyle('.bb2')?.backgroundColor);
```
Você deve definir a `background-color` usando a variável `--building-color2` .
```js
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assert.equal(new __helpers.CSSHelp(document).getStyle('.bb2')?.getPropVal('background-color', true), 'var(--building-color2)');
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```
# --seed--
## --seed-contents--
```html
<!DOCTYPE html>
< html >
< head >
< title > City Skyline< / title >
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< link href = "styles.css" rel = "stylesheet" / >
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< / head >
< body >
< div class = "background-buildings" >
< div > < / div >
< div > < / div >
< div class = "bb1" >
< div class = "bb1a" > < / div >
< div class = "bb1b" > < / div >
< div class = "bb1c" > < / div >
< div class = "bb1d" > < / div >
< / div >
< div class = "bb2" > < / div >
< div class = "bb3" > < / div >
< div > < / div >
< div class = "bb4" > < / div >
< div > < / div >
< div > < / div >
< / div >
< / body >
< / html >
```
```css
* {
border: 1px solid black;
box-sizing: border-box;
}
body {
height: 100vh;
margin: 0;
overflow: hidden;
}
.background-buildings {
width: 100%;
height: 100%;
display: flex;
align-items: flex-end;
justify-content: space-evenly;
}
--fcc-editable-region--
.bb1 {
width: 10%;
height: 70%;
display: flex;
flex-direction: column;
align-items: center;
--building-color1: #aa80ff ;
}
.bb1a {
width: 70%;
height: 10%;
background-color: var(--building-color1);
}
.bb1b {
width: 80%;
height: 10%;
background-color: var(--building-color1);
}
.bb1c {
width: 90%;
height: 10%;
background-color: var(--building-color1);
}
.bb1d {
width: 100%;
height: 70%;
background-color: var(--building-color1);
}
.bb2 {
width: 10%;
height: 50%;
}
--fcc-editable-region--
.bb3 {
width: 10%;
height: 55%;
}
.bb4 {
width: 11%;
height: 58%;
}
```