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										 |  |  | title: 使用 justify-items 水平对齐所有项目 | 
					
						
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										 |  |  | challengeType: 0 | 
					
						
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										 |  |  | videoUrl: 'https://scrimba.com/p/pByETK/cJbpECn' | 
					
						
							|  |  |  | forumTopicId: 301120 | 
					
						
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										 |  |  | dashedName: align-all-items-horizontally-using-justify-items | 
					
						
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											2018-10-10 18:03:03 -04:00
										 |  |  | --- | 
					
						
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										 |  |  | # --description--
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										 |  |  | 有时你想让 CSS 网格中的网格项共享对齐方式。 你可以像之前学习的那样分别设置它们的对齐方式,也可以对网格容器使用 `justify-items` 使它们一次性沿水平轴对齐。 这个属性能接受我们在之前两个挑战中学到的所有值作为属性值,但与之前不同的是,它会将网格中**所有**的网格项按所设置的方式对齐。 | 
					
						
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										 |  |  | # --instructions--
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										 |  |  | 请使用这个属性设置所有网格项水平居中。 | 
					
						
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										 |  |  | # --hints--
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										 |  |  | class 为 `container` 的元素应具有 `justify-items` 属性且属性值应为 `center`。 | 
					
						
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										 |  |  | ```js | 
					
						
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										 |  |  | assert( | 
					
						
							|  |  |  |   code.match( | 
					
						
							|  |  |  |     /.container\s*?{[\s\S]*justify-items\s*?:\s*?center\s*?;[\s\S]*}/gi | 
					
						
							|  |  |  |   ) | 
					
						
							|  |  |  | ); | 
					
						
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										 |  |  | ``` | 
					
						
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										 |  |  | # --seed--
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							|  |  |  | ## --seed-contents--
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							|  |  |  | ```html | 
					
						
							|  |  |  | <style> | 
					
						
							|  |  |  |   .item1{background:LightSkyBlue;} | 
					
						
							|  |  |  |   .item2{background:LightSalmon;} | 
					
						
							|  |  |  |   .item3{background:PaleTurquoise;} | 
					
						
							|  |  |  |   .item4{background:LightPink;} | 
					
						
							|  |  |  |   .item5{background:PaleGreen;} | 
					
						
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							|  |  |  |   .container { | 
					
						
							|  |  |  |     font-size: 40px; | 
					
						
							|  |  |  |     min-height: 300px; | 
					
						
							|  |  |  |     width: 100%; | 
					
						
							|  |  |  |     background: LightGray; | 
					
						
							|  |  |  |     display: grid; | 
					
						
							|  |  |  |     grid-template-columns: 1fr 1fr 1fr; | 
					
						
							|  |  |  |     grid-template-rows: 1fr 1fr 1fr; | 
					
						
							|  |  |  |     grid-gap: 10px; | 
					
						
							|  |  |  |     /* Only change code below this line */ | 
					
						
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										 |  |  |     /* Only change code above this line */ | 
					
						
							|  |  |  |   } | 
					
						
							|  |  |  | </style> | 
					
						
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							|  |  |  | <div class="container"> | 
					
						
							|  |  |  |   <div class="item1">1</div> | 
					
						
							|  |  |  |   <div class="item2">2</div> | 
					
						
							|  |  |  |   <div class="item3">3</div> | 
					
						
							|  |  |  |   <div class="item4">4</div> | 
					
						
							|  |  |  |   <div class="item5">5</div> | 
					
						
							|  |  |  | </div> | 
					
						
							|  |  |  | ``` | 
					
						
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										 |  |  | # --solutions--
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										 |  |  | ```html | 
					
						
							|  |  |  | <style>.container {justify-items: center;}</style> | 
					
						
							|  |  |  | ``` |