25aa04e2e7
* chore(curriculum): accessibility-quiz * chore(curriculum): cafe-menu * chore(curriculum): ferris-wheel * chore(curriculum): fix ferris-wheel tests * chore(curriculum): colored-markers * chore(curriculum): photo-gallery * chore(curriculum): magazine * chore(curriculum): penguin * chore(curriculum): city-skyline * chore(curriculum): registration-form * chore(curriculum): picasso-painting * chore(curriculum): balance-sheet * chore(curriculum): piano * chore(curriculum): rothko-painting * fix: title min 15 chars
155 lines
3.4 KiB
Markdown
155 lines
3.4 KiB
Markdown
---
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id: 5d822fd413a79914d39e98e1
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title: Step 25
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challengeType: 0
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dashedName: step-25
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---
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# --description--
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That one used the fallback value as well? I see the problem now! The variables you declared in `.bb1` do not cascade to the `.bb2` and `.bb3` sibling elements. That's just how CSS works. Because of this, variables are often declared in the `:root` selector. This is the highest level selector in CSS; putting your variables there will make them usable everywhere. Add the `:root` selector to the top of your stylesheet, and move all your variable declarations there.
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# --hints--
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You should declare a `:root` selector at the top of the stylesheet.
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```js
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assert.exists(new __helpers.CSSHelp(document).getStyle(':root'));
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```
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You should define `--building-color1` with a value of `#aa80ff` in the `:root` selector.
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```js
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assert.equal(new __helpers.CSSHelp(document).getStyle(':root')?.getPropertyValue('--building-color1')?.trim(), '#aa80ff');
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```
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You should define `--building-color2` with a value of `#66cc99` in the `:root` selector.
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```js
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assert.equal(new __helpers.CSSHelp(document).getStyle(':root')?.getPropertyValue('--building-color2')?.trim(), '#66cc99');
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```
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You should define `--building-color3` with a value of `#cc6699` in the `:root` selector.
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```js
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assert.equal(new __helpers.CSSHelp(document).getStyle(':root')?.getPropertyValue('--building-color3')?.trim(), '#cc6699');
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```
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You should remove the custom property variables from `.bb1`.
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```js
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assert.isEmpty(new __helpers.CSSHelp(document).getStyle('.bb1')?.getPropertyValue('--building-color1'));
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assert.isEmpty(new __helpers.CSSHelp(document).getStyle('.bb1')?.getPropertyValue('--building-color2'));
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assert.isEmpty(new __helpers.CSSHelp(document).getStyle('.bb1')?.getPropertyValue('--building-color3'));
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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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<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></div>
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<div></div>
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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 class="bb2"></div>
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<div class="bb3"></div>
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<div></div>
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<div class="bb4"></div>
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<div></div>
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<div></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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--fcc-editable-region--
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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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display: flex;
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align-items: flex-end;
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justify-content: space-evenly;
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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: #aa80ff;
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--building-color2: #66cc99;
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--building-color3: #cc6699;
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}
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--fcc-editable-region--
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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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background-color: var(--building-color1);
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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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background-color: var(--building-color1);
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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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background-color: var(--building-color1);
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}
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.bb2 {
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width: 10%;
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height: 50%;
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background-color: var(--building-color2, green);
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}
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.bb3 {
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width: 10%;
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height: 55%;
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background-color: var(--building-color3, pink);
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}
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.bb4 {
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width: 11%;
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height: 58%;
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}
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```
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