* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
73 lines
1.6 KiB
Markdown
73 lines
1.6 KiB
Markdown
---
|
|
id: 587d78a5367417b2b2512ad6
|
|
title: 创建一个 CSS 线性渐变
|
|
challengeType: 0
|
|
videoUrl: 'https://scrimba.com/c/cg4dpt9'
|
|
forumTopicId: 301047
|
|
dashedName: create-a-gradual-css-linear-gradient
|
|
---
|
|
|
|
# --description--
|
|
|
|
HTML 元素的背景色并不局限于单色。CSS 还为我们提供了颜色渐变。可以通过 `background` 里的 `linear-gradient()` 来实现线性渐变,以下是它的语法:
|
|
|
|
`background: linear-gradient(gradient_direction, 颜色 1, 颜色 2, 颜色 3, ...);`
|
|
|
|
第一个参数用来表明颜色渐变的初始方向。它的值是一个角度,比如 `90deg` 代表水平渐变(从左到右),再比如 `45deg` 代表对角线方向的渐变(从左下到右上)。后续的参数指定了渐变颜色的顺序。
|
|
|
|
例如:
|
|
|
|
`background: linear-gradient(90deg, red, yellow, rgb(204, 204, 255));`
|
|
|
|
# --instructions--
|
|
|
|
使用 `linear-gradient()` 将 `div` 的 `background` 设置为渐变色,渐变的起始角度为 35 度,颜色从 `#CCFFFF` 过渡到 `#FFCCCC`。
|
|
|
|
# --hints--
|
|
|
|
`div` 元素应有一个指定方向和颜色的 `linear-gradient` 来设置 `background`。
|
|
|
|
```js
|
|
assert(
|
|
$('div')
|
|
.css('background-image')
|
|
.match(
|
|
/linear-gradient\(35deg, rgb\(204, 255, 255\), rgb\(255, 204, 204\)\)/gi
|
|
)
|
|
);
|
|
```
|
|
|
|
# --seed--
|
|
|
|
## --seed-contents--
|
|
|
|
```html
|
|
<style>
|
|
div {
|
|
border-radius: 20px;
|
|
width: 70%;
|
|
height: 400px;
|
|
margin: 50px auto;
|
|
|
|
}
|
|
|
|
</style>
|
|
|
|
<div></div>
|
|
```
|
|
|
|
# --solutions--
|
|
|
|
```html
|
|
<style>
|
|
div {
|
|
border-radius: 20px;
|
|
width: 70%;
|
|
height: 400px;
|
|
margin: 50px auto;
|
|
background: linear-gradient(35deg, #CCFFFF, #FFCCCC);
|
|
}
|
|
</style>
|
|
<div></div>
|
|
```
|