2021-09-13 09:51:42 -07:00
|
|
|
---
|
|
|
|
|
id: 612e95ef2e4bdf41f69067f9
|
2021-10-21 10:07:52 -07:00
|
|
|
title: Step 12
|
2021-09-13 09:51:42 -07:00
|
|
|
challengeType: 0
|
2021-10-21 10:07:52 -07:00
|
|
|
dashedName: step-12
|
2021-09-13 09:51:42 -07:00
|
|
|
---
|
|
|
|
|
|
|
|
|
|
# --description--
|
|
|
|
|
|
|
|
|
|
Set the `margin` of the `#piano` to `80px auto`.
|
|
|
|
|
|
|
|
|
|
# --hints--
|
|
|
|
|
|
|
|
|
|
Your `#piano` selector should have the `margin` property set to `80px auto`.
|
|
|
|
|
|
|
|
|
|
```js
|
|
|
|
|
assert(new __helpers.CSSHelp(document).getStyle('#piano')?.margin === '80px auto');
|
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
# --seed--
|
|
|
|
|
|
|
|
|
|
## --seed-contents--
|
|
|
|
|
|
|
|
|
|
```html
|
|
|
|
|
<!DOCTYPE html>
|
|
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<meta charset="UTF-8" />
|
2022-03-14 15:54:43 +00:00
|
|
|
<title>Piano</title>
|
2021-09-13 09:51:42 -07:00
|
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
|
|
|
|
|
<link rel="stylesheet" href="./styles.css">
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
|
|
|
|
<div id="piano">
|
|
|
|
|
<div class="keys">
|
|
|
|
|
<div class="key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
|
|
|
|
|
<div class="key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
|
|
|
|
|
<div class="key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
<div class="key black--key"></div>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
```css
|
|
|
|
|
html {
|
|
|
|
|
box-sizing: border-box;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
*, *::before, *::after {
|
|
|
|
|
box-sizing: inherit;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
--fcc-editable-region--
|
|
|
|
|
#piano {
|
|
|
|
|
background-color: #00471b;
|
|
|
|
|
width: 992px;
|
|
|
|
|
height: 290px;
|
|
|
|
|
}
|
|
|
|
|
--fcc-editable-region--
|
|
|
|
|
```
|
