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                            1. w3c標準盒模型和IE盒模型有什么區別
    1. w3c盒模型width、height只包含content，不包含padding、border
    2. IE盒模型width、height包含content、padding、border
2. 如何更改盒模型
    1. 通過box-sizing屬性進行切換
    2. 默認值為：content-box，通過border-box切換為IE盒模型
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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