137 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			137 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
---
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id: 587d78ac367417b2b2512af5
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title: Apply the flex-direction Property to Create a Column in the Tweet Embed
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challengeType: 0
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videoUrl: ''
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localeTitle: 应用flex-direction属性在Tweet Embed中创建一个列
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---
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## Description
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<section id="description"> tweet嵌入<code>header</code>和<code>footer</code>先前使用了<code>flex-direction</code>属性和行值。同样, <code>.profile-name</code>元素中的项目可以很好地堆叠为列。 </section>
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## Instructions
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<section id="instructions">将CSS属性<code>flex-direction</code>添加到标头的<code>.profile-name</code>元素,并将值设置为column。 </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>.profile-name</code>元素应将<code>flex-direction</code>属性设置为column。
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    testString: 'assert($(".profile-name").css("flex-direction") == "column", "The <code>.profile-name</code> element should have a <code>flex-direction</code> property set to column.");'
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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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    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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