88 lines
1.9 KiB
Markdown
88 lines
1.9 KiB
Markdown
|
---
|
||
|
id: bad87fee1348bd9aedf08822
|
||
|
title: Adjust the Margin of an Element
|
||
|
challengeType: 0
|
||
|
guideUrl: 'https://chinese.freecodecamp.org/guide/certificates/adjust-the-margin-of-an-element'
|
||
|
videoUrl: ''
|
||
|
localeTitle: 调整元素的边距
|
||
|
---
|
||
|
|
||
|
## Description
|
||
|
<section id="description">元素的<code>margin</code>控制元素<code>border</code>与周围元素之间的空间量。在这里,我们可以看到蓝色框和红色框嵌套在黄色框中。请注意,红色框的<code>margin</code>大于蓝色框,使其看起来更小。当您增加蓝框的<code>margin</code> ,它将增加其边框与周围元素之间的距离。 </section>
|
||
|
|
||
|
## Instructions
|
||
|
<section id="instructions">更改蓝色框的<code>margin</code>以匹配红色框的<code>margin</code> 。 </section>
|
||
|
|
||
|
## Tests
|
||
|
<section id='tests'>
|
||
|
|
||
|
```yml
|
||
|
tests:
|
||
|
- text: 你的<code>blue-box</code>类应该给出<code>20px</code>的<code>margin</code>元素。
|
||
|
testString: 'assert($(".blue-box").css("margin-top") === "20px", "Your <code>blue-box</code> class should give elements <code>20px</code> of <code>margin</code>.");'
|
||
|
|
||
|
```
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Challenge Seed
|
||
|
<section id='challengeSeed'>
|
||
|
|
||
|
<div id='html-seed'>
|
||
|
|
||
|
```html
|
||
|
<style>
|
||
|
.injected-text {
|
||
|
margin-bottom: -25px;
|
||
|
text-align: center;
|
||
|
}
|
||
|
|
||
|
.box {
|
||
|
border-style: solid;
|
||
|
border-color: black;
|
||
|
border-width: 5px;
|
||
|
text-align: center;
|
||
|
}
|
||
|
|
||
|
.yellow-box {
|
||
|
background-color: yellow;
|
||
|
padding: 10px;
|
||
|
}
|
||
|
|
||
|
.red-box {
|
||
|
background-color: crimson;
|
||
|
color: #fff;
|
||
|
padding: 20px;
|
||
|
margin: 20px;
|
||
|
}
|
||
|
|
||
|
.blue-box {
|
||
|
background-color: blue;
|
||
|
color: #fff;
|
||
|
padding: 20px;
|
||
|
margin: 10px;
|
||
|
}
|
||
|
</style>
|
||
|
<h5 class="injected-text">margin</h5>
|
||
|
|
||
|
<div class="box yellow-box">
|
||
|
<h5 class="box red-box">padding</h5>
|
||
|
<h5 class="box blue-box">padding</h5>
|
||
|
</div>
|
||
|
|
||
|
```
|
||
|
|
||
|
</div>
|
||
|
|
||
|
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Solution
|
||
|
<section id='solution'>
|
||
|
|
||
|
```js
|
||
|
// solution required
|
||
|
```
|
||
|
</section>
|