2018-10-10 22:03:03 +00:00
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id: 587d78ab367417b2b2512af1
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2020-12-16 07:37:30 +00:00
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title: 在推文中添加弹性盒子布局
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2018-10-10 22:03:03 +00:00
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challengeType: 0
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2020-02-11 13:32:25 +00:00
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videoUrl: 'https://scrimba.com/p/pVaDAv/c9W7MhM'
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forumTopicId: 301100
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2021-01-13 02:31:00 +00:00
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dashedName: add-flex-superpowers-to-the-tweet-embed
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2018-10-10 22:03:03 +00:00
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---
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2020-12-16 07:37:30 +00:00
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# --description--
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2021-03-05 15:43:24 +00:00
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以右边的嵌入推文为例, 一些元素换一个布局方式或许更好看。 上一个挑战演示了 `display: flex`, 现在你需要把它添加到推文内嵌的多个组件中,调整它们的位置。
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2020-12-16 07:37:30 +00:00
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# --instructions--
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2021-02-06 04:42:36 +00:00
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请为下列项目添加 CSS 属性 `display: flex`。 注意,以下 CSS 选择器已为你写好:
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2020-12-16 07:37:30 +00:00
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2021-01-08 19:20:48 +00:00
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`header`、header 中的 `.profile-name`、header 中的 `.follow-btn`、header 中的 `h3` 和 `h4`、`footer` 以及 footer 中的 `.stats`。
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2020-12-16 07:37:30 +00:00
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# --hints--
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2021-02-06 04:42:36 +00:00
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`.follow-btn` 应在页面上呈现。 请关闭广告拦截器等任何扩展。
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```js
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assert($('.follow-btn').length > 0 && $('.follow-btn').css('display') !== 'none');
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```
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2021-01-08 19:20:48 +00:00
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`header` 的 `display` 属性值应为 `flex`。
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2020-12-16 07:37:30 +00:00
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```js
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assert($('header').css('display') == 'flex');
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```
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2021-01-08 19:20:48 +00:00
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`footer` 的 `display` 属性值应为 `flex`。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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```js
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assert($('footer').css('display') == 'flex');
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2018-10-10 22:03:03 +00:00
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```
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2021-01-08 19:20:48 +00:00
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`h3` 的 `display` 属性值应为 `flex`。
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2020-12-16 07:37:30 +00:00
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```js
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assert($('h3').css('display') == 'flex');
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2018-10-10 22:03:03 +00:00
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```
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2021-01-08 19:20:48 +00:00
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`h4` 的 `display` 属性值应为 `flex`。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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```js
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assert($('h4').css('display') == 'flex');
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```
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2018-10-10 22:03:03 +00:00
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2021-01-08 19:20:48 +00:00
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`.profile-name` 的 `display` 属性值应为 `flex`。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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```js
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assert($('.profile-name').css('display') == 'flex');
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```
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2018-10-10 22:03:03 +00:00
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2021-01-08 19:20:48 +00:00
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`.follow-btn` 的 `display` 属性值应为 `flex`。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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```js
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assert($('.follow-btn').css('display') == 'flex');
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2018-10-10 22:03:03 +00:00
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```
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2020-02-11 13:32:25 +00:00
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2021-01-08 19:20:48 +00:00
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`.stats` 的 `display` 属性值应为 `flex`。
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2020-12-16 07:37:30 +00:00
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```js
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assert($('.stats').css('display') == 'flex');
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```
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2021-01-13 02:31:00 +00:00
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# --seed--
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## --seed-contents--
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```html
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<style>
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body {
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font-family: Arial, sans-serif;
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}
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header {
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}
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header .profile-thumbnail {
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width: 50px;
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height: 50px;
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border-radius: 4px;
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}
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header .profile-name {
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margin-left: 10px;
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}
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header .follow-btn {
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margin: 0 0 0 auto;
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}
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header .follow-btn button {
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border: 0;
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border-radius: 3px;
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padding: 5px;
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}
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header h3, header h4 {
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margin: 0;
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}
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#inner p {
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margin-bottom: 10px;
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font-size: 20px;
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}
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#inner hr {
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margin: 20px 0;
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border-style: solid;
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opacity: 0.1;
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}
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footer {
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}
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footer .stats {
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font-size: 15px;
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}
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footer .stats strong {
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font-size: 18px;
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}
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footer .stats .likes {
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margin-left: 10px;
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}
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footer .cta {
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margin-left: auto;
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}
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footer .cta button {
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border: 0;
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background: transparent;
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}
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</style>
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<header>
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<img src="https://freecodecamp.s3.amazonaws.com/quincy-twitter-photo.jpg" alt="Quincy Larson's profile picture" class="profile-thumbnail">
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<div class="profile-name">
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<h3>Quincy Larson</h3>
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<h4>@ossia</h4>
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</div>
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<div class="follow-btn">
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<button>Follow</button>
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</div>
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</header>
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<div id="inner">
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<p>I meet so many people who are in search of that one trick that will help them work smart. Even if you work smart, you still have to work hard.</p>
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<span class="date">1:32 PM - 12 Jan 2018</span>
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<hr>
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</div>
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<footer>
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<div class="stats">
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<div class="Retweets">
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<strong>107</strong> Retweets
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</div>
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<div class="likes">
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<strong>431</strong> Likes
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</div>
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</div>
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<div class="cta">
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<button class="share-btn">Share</button>
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<button class="retweet-btn">Retweet</button>
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<button class="like-btn">Like</button>
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</div>
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</footer>
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```
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2020-12-16 07:37:30 +00:00
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# --solutions--
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2021-01-13 02:31:00 +00:00
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```html
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<style>
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body {
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font-family: Arial, sans-serif;
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}
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header {
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display: flex;
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}
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header .profile-thumbnail {
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width: 50px;
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height: 50px;
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border-radius: 4px;
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}
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header .profile-name {
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display: flex;
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margin-left: 10px;
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}
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header .follow-btn {
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display: flex;
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margin: 0 0 0 auto;
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}
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header .follow-btn button {
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border: 0;
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border-radius: 3px;
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padding: 5px;
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}
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header h3, header h4 {
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display: flex;
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margin: 0;
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}
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#inner p {
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margin-bottom: 10px;
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font-size: 20px;
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}
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#inner hr {
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margin: 20px 0;
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border-style: solid;
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opacity: 0.1;
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}
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footer {
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display: flex;
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}
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footer .stats {
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display: flex;
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font-size: 15px;
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}
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footer .stats strong {
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font-size: 18px;
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}
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footer .stats .likes {
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margin-left: 10px;
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}
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footer .cta {
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margin-left: auto;
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}
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footer .cta button {
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border: 0;
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background: transparent;
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}
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</style>
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<header>
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<img src="https://freecodecamp.s3.amazonaws.com/quincy-twitter-photo.jpg" alt="Quincy Larson's profile picture" class="profile-thumbnail">
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<div class="profile-name">
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<h3>Quincy Larson</h3>
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<h4>@ossia</h4>
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</div>
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<div class="follow-btn">
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<button>Follow</button>
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</div>
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</header>
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<div id="inner">
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<p>I meet so many people who are in search of that one trick that will help them work smart. Even if you work smart, you still have to work hard.</p>
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<span class="date">1:32 PM - 12 Jan 2018</span>
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<hr>
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</div>
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<footer>
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<div class="stats">
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<div class="Retweets">
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<strong>107</strong> Retweets
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</div>
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<div class="likes">
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<strong>431</strong> Likes
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</div>
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</div>
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<div class="cta">
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<button class="share-btn">Share</button>
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<button class="retweet-btn">Retweet</button>
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<button class="like-btn">Like</button>
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</div>
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</footer>
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```
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