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Nested classes selectors

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你的背包 2021-02-19 14:06

If I have something like this in my HTML

    

        

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                (楼主)
            
              
                  
    
                2021-02-19 14:36
              
    

            
    
            
    
              
              

    #top .txt is not #top.txt
the latter means that the matched element has the id AND the class, while the former means that the matched element has the class, and one of its ancestors element has the id 
    
    
    
             
    
                                                        
    
            
    
            
    
              
                
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