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								---
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								id: 5d822fd413a79914d39e98d8
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											2021-10-21 10:07:52 -07:00
										 
									 
								 
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								title: Step 16
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								challengeType: 0
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								dashedName: step-16
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								---
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											2020-11-27 19:02:05 +01:00
										 
									 
								 
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								# --description--
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								Use the same variable as the `background-color` of the `.bb1b`, `.bb1c`, and `.bb1d` classes to fill in the rest of the building.
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											2020-11-27 19:02:05 +01:00
										 
									 
								 
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								# --hints--
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								The `background-color` of the `bb1b` element should be set.
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								```js
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								assert.exists(new __helpers.CSSHelp(document).getStyle('.bb1b')?.backgroundColor)
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								```
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								You should use `var(--building-color1)` to set the `background-color` of the `.bb1b` element.
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								```js
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								assert.equal(new __helpers.CSSHelp(document).getStyle('.bb1b')?.backgroundColor.trim(), 'var(--building-color1)');
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								```
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								The `background-color` of the `bb1c` element should be set.
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								```js
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								assert.exists(new __helpers.CSSHelp(document).getStyle('.bb1c')?.backgroundColor)
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								```
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								You should use `var(--building-color1)` to set the `background-color` of the `.bb1c` element.
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								```js
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								assert.equal(new __helpers.CSSHelp(document).getStyle('.bb1c')?.backgroundColor.trim(), 'var(--building-color1)');
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								```
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								The `background-color` of the `bb1d` element should be set.
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								```js
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								assert.exists(new __helpers.CSSHelp(document).getStyle('.bb1d')?.backgroundColor)
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								```
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								You should use `var(--building-color1)` to set the `background-color` of the `.bb1d` element.
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								```js
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								assert.equal(new __helpers.CSSHelp(document).getStyle('.bb1d')?.backgroundColor.trim(), 'var(--building-color1)');
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								```
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								# --seed--
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								## --seed-contents--
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								```html
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								<!DOCTYPE html>
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								<html>    
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								  <head>
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											2022-03-14 15:54:43 +00:00
										 
									 
								 
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								    <title>City Skyline</title>
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								    <link href="styles.css" rel="stylesheet" type="text/css" />   
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								  </head>
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								  <body>
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								    <div class="background-buildings">
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								      <div class="bb1">
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								        <div class="bb1a"></div>
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								        <div class="bb1b"></div>
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								        <div class="bb1c"></div>
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								        <div class="bb1d"></div>
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								      </div>
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								    </div>
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								  </body>
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								</html>
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								```
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								```css
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								* {
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								  border: 1px solid black;
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								  box-sizing: border-box;
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								}
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								body {
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								  height: 100vh;
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								  margin: 0;
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								  overflow: hidden;
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								}
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								.background-buildings {
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								  width: 100%;
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								  height: 100%;
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								}
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								.bb1 {
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								  width: 10%;
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								  height: 70%;
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								  display: flex;
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								  flex-direction: column;
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								  align-items: center;
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								  --building-color1: #999;
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								}
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								.bb1a {
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								  width: 70%;
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								  height: 10%;
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								  background-color: var(--building-color1);
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								}
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								--fcc-editable-region--
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								.bb1b {
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								  width: 80%;
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								  height: 10%;
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								}
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								.bb1c {
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								  width: 90%;
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								  height: 10%;
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								}
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								.bb1d {
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								  width: 100%;
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								  height: 70%;
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								}
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								--fcc-editable-region--
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								```
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