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freeCodeCamp/curriculum/challenges/chinese-traditional/01-responsive-web-design/css-grid/align-an-item-horizontally-using-justify-self.md
Nicholas Carrigan (he/him) 3da4be21bb chore: seed chinese traditional (#42005)
Seeds the chinese traditional files manually so we can deploy to
staging.
2021-05-05 22:43:49 +05:30

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---
id: 5a90374338fddaf9a66b5d3a
title: 使用 justify-self 水平對齊項目
challengeType: 0
videoUrl: 'https://scrimba.com/p/pByETK/cJbpKHq'
forumTopicId: 301122
dashedName: align-an-item-horizontally-using-justify-self
---
# --description--
在 CSS 網格中,每個網格項的內容分別位於被稱爲<dfn>單元格cell</dfn>的框內。 你可以使用網格項的 `justify-self` 屬性,設置其內容的位置在單元格內沿水平軸的對齊方式。 默認情況下,這個屬性的值是 `stretch`,這將使內容佔滿整個單元格的寬度。 該 CSS 網格屬性也可以使用其他的值:
`start`:使內容在單元格左側對齊,
`center`:使內容在單元格居中對齊,
`end`:使內容在單元格右側對齊,
# --instructions--
請使用 `justify-self` 屬性讓 class 爲 `item2` 的網格項居中。
# --hints--
class 爲 `item2` 的元素應具有 `justify-self` 屬性且屬性值應爲 `center`
```js
assert(
code.match(/.item2\s*?{[\s\S]*justify-self\s*?:\s*?center\s*?;[\s\S]*}/gi)
);
```
# --seed--
## --seed-contents--
```html
<style>
.item1{background: LightSkyBlue;}
.item2 {
background: LightSalmon;
/* Only change code below this line */
/* Only change code above this line */
}
.item3{background:PaleTurquoise;}
.item4{background:LightPink;}
.item5{background:PaleGreen;}
.container {
font-size: 40px;
min-height: 300px;
width: 100%;
background: LightGray;
display: grid;
grid-template-columns: 1fr 1fr 1fr;
grid-template-rows: 1fr 1fr 1fr;
grid-gap: 10px;
}
</style>
<div class="container">
<div class="item1">1</div>
<div class="item2">2</div>
<div class="item3">3</div>
<div class="item4">4</div>
<div class="item5">5</div>
</div>
```
# --solutions--
```html
<style>.item2 {justify-self: center;}</style>
```