140 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			140 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ---
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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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| 
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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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| 
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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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| 
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| ## Tests
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| <section id='tests'>
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| 
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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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| ```
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| 
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| </section>
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| 
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| ## Challenge Seed
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| <section id='challengeSeed'>
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| 
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| <div id='html-seed'>
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| 
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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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| 
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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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| 
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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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| ```
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| 
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| </div>
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| 
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| 
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| 
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| </section>
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| 
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| ## Solution
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| <section id='solution'>
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| 
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| ```js
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| // solution required
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| ```
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| </section>
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