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								---
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								id: 587d78a5367417b2b2512ad9
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								title: Use the CSS Transform scale Property to Change the Size of an Element
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								challengeType: 0
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								videoUrl: 'https://scrimba.com/c/c2MZVSg'
							 
						 
					
						
							
								
									
										
										
										
											2019-08-05 09:17:33 -07:00 
										
									 
								 
							 
							
								
									
										 
								
							 
							
								 
							
							
								forumTopicId: 301076
							 
						 
					
						
							
								
									
										
										
										
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								---
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								## Description
  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< section  id = 'description' >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								To change the scale of an element, CSS has the < code > transform< / code >  property, along with its < code > scale()< / code >  function. The following code example doubles the size of all the paragraph elements on the page:
							 
						 
					
						
							
								
									
										
										
										
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								```css
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								p {
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  transform: scale(2);
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								}
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
									
										
										
										
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								< / section >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								## Instructions
  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< section  id = 'instructions' >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								Increase the size of the element with the id of < code > ball2< / code >  to 1.5 times its original size.
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< / section >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								## Tests
  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< section  id = 'tests' >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								```yml
							 
						 
					
						
							
								
									
										
										
										
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								tests:
							 
						 
					
						
							
								
									
										
										
										
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								  -  text: The < code > transform</ code >  property for < code > #ball2 </ code >  should be set to scale it to 1.5 times its size.
							 
						 
					
						
							
								
									
										
										
										
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								    testString: assert(code.match(/#ball2 \s*?{\s*?left:\s*?65%;\s*?transform:\s*?scale\(1\.5\);\s*?}|#ball2 \s*?{\s*?transform:\s*?scale\(1\.5\);\s*?left:\s*?65%;\s*?}/gi));
							 
						 
					
						
							
								
									
										
										
										
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								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< / section >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								## Challenge Seed
  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< section  id = 'challengeSeed' >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< div  id = 'html-seed' >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								```html
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< style >  
						 
					
						
							
								
									
										
										
										
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								  .ball {
							 
						 
					
						
							
								
									
										
										
										
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								    width: 40px;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    height: 40px;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    margin: 50 auto;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    position: fixed;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    background: linear-gradient(
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								      35deg,
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								      #ccffff ,
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								      #ffcccc 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    );
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    border-radius: 50%;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  }
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  #ball1  {
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    left: 20%;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  }
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  #ball2  {
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    left: 65%;
							 
						 
					
						
							
								
									
										
										
										
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								  }
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< / style >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< div  class = "ball"  id =  "ball1" > < / div >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< div  class = "ball"  id =  "ball2" > < / div >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< / div >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< / section >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								## Solution
  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< section  id = 'solution' >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
									
										
										
										
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								```html
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< style >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  .ball {
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    width: 40px;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    height: 40px;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    margin: 50 auto;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    position: fixed;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    background: linear-gradient(
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								      35deg,
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								      #ccffff ,
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								      #ffcccc 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    );
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    border-radius: 50%;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  }
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  #ball1  {
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    left: 20%;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  }
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  #ball2  {
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    left: 65%;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								    transform: scale(1.5);
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								  }
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< / style >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< div  class = "ball"  id =  "ball1" > < / div >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< div  class = "ball"  id =  "ball2" > < / div >  
						 
					
						
							
								
									
										
										
										
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								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< / section >