140 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			140 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
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								---
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								id: 587d78ad367417b2b2512af9
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								title: Use the align-items Property in the Tweet Embed
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								challengeType: 0
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								videoUrl: ''
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								localeTitle: 使用Tweet Embed中的align-items属性
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								---
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								## Description
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								<section id="description">最后一个挑战引入了<code>align-items</code>属性并举了一个例子。此属性可应用于一些tweet嵌入元素,以对齐其中的flex项。 </section>
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								## Instructions
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								<section id="instructions">将CSS属性<code>align-items</code>添加到标题的<code>.follow-btn</code>元素中。将值设置为居中。 </section>
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								## Tests
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								<section id='tests'>
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								```yml
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								tests:
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								  - text: <code>.follow-btn</code>元素应将<code>align-items</code>属性设置为center的值。
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								    testString: 'assert($(".follow-btn").css("align-items") == "center", "The <code>.follow-btn</code> element should have the <code>align-items</code> property set to a value of center.");'
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								```
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								</section>
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								## Challenge Seed
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								<section id='challengeSeed'>
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								<div id='html-seed'>
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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, footer {
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								    display: flex;
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								    flex-direction: row;
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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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								    flex-direction: column;
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								    justify-content: center;
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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 .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://pbs.twimg.com/profile_images/378800000147359764/54dc9a5c34e912f34db8662d53d16a39_400x400.png" 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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								</div>
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								</section>
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								## Solution
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								<section id='solution'>
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								```js
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								// solution required
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								```
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								</section>
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