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                            #第2章 CSS3選擇器

> W3C在CSS3的工作草案中把選擇器獨立出來成為一個模塊。實際上，選擇器是CSS只是中的重要部分之一，也是CSS的根基。利用CSS選擇器能不改動HTML結構，通過添加不同的CSS規則得到不同的樣式的結果。


                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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