174 lines
3.1 KiB
Markdown
174 lines
3.1 KiB
Markdown
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---
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id: 5d822fd413a79914d39e98d7
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title: Part 15
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challengeType: 0
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---
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## Description
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<section id='description'>
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To use a variable, just put the variable name in parenthesis with `var` in front of them like this: `var(--variable-name)`. Add your variable as the value of the `background-color` property of the `bb1a` class. Whatever value you gave the variable will be applied to whatever property you use it on. In this case, your variable has the value of `#999`. So `#999` will be used as the value for the `background-color` property.
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</section>
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## Instructions
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<section id='instructions'>
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: test-text
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testString: const bb1aStyle = code.match(/\.bb1a\s*{[\s\S]+?[^}]}/g)[0]; assert(/background-color\s*:\s*var\(\s*--building-color1\s*\)\s*(;|\s*})/g.test(bb1aStyle));
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='html-seed'>
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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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<title>freeCodeCamp Skyline Project</title>
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<style>
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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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}
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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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</style>
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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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</div>
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</section>
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## Solution
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<section id='solution'>
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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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<title>freeCodeCamp Skyline Project</title>
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<style>
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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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.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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</style>
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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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</section>
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