1.8 KiB
1.8 KiB
id | title | challengeType | guideUrl | videoUrl | localeTitle |
---|---|---|---|---|---|
bad87fee1348bd9aedf08823 | Add a Negative Margin to an Element | 0 | https://chinese.freecodecamp.org/guide/certificates/add-a-negative-margin-to-an-element | 向元素添加负边距 |
Description
margin
控制元素border
与周围元素之间的空间量。如果将元素的margin
设置为负值,则元素将变大。 Instructions
margin
设置为负值,如红色框的值。将蓝色框的margin
更改为-15px
,因此它会填充其周围黄色框的整个水平宽度。 Tests
tests:
- text: 你的<code>blue-box</code>类应该给出<code>-15px</code>的<code>margin</code>元素。
testString: 'assert($(".blue-box").css("margin-top") === "-15px", "Your <code>blue-box</code> class should give elements <code>-15px</code> of <code>margin</code>.");'
Challenge Seed
<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: -15px;
}
.blue-box {
background-color: blue;
color: #fff;
padding: 20px;
margin: 20px;
}
</style>
<div class="box yellow-box">
<h5 class="box red-box">padding</h5>
<h5 class="box blue-box">padding</h5>
</div>
Solution
// solution required