This article brings you a summary (code) of how to use pseudo elements in CSS. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Set the first letter of the text to a special letter

	
		 
		 
		
	

	
		
你可以使用"first-letter"伪元素向文本的首字母设置特殊样式；
	

Set the first line of text to a special letter

	
		 
		 
		
	

	
		
你可以使用"first-letter"伪元素向文本的首字母设置特殊样式；
	

Set the first letter of the first line of text to special

	
		 
		 
		
	

	
		
你可以结合使用"first-line"和"first-letter"伪元素向文本的首行和首字母设置特殊样式。
	

Use: Insert some content before an element

	
		 
		 
		
	

	
		
This is a heading
		
The :before pseudo-element inserts content before an element.
		
This is a heading
		
注意:仅当 !DOCTYPE 已经声明 IE8 支持这个内容属性
	

Usage: Insert some content after an element

	
		 
		 
		
	

	
		
This is a heading
		
The :before pseudo-element inserts content before an element.
		
This is a heading
		
注意:仅当 !DOCTYPE 已经声明 IE8 支持这个内容属性
	

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CSS pseudo-class pseudo-element_html/css_WEB-ITnose

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