6 Dec
                
                    2017
                
            
            
                6 Dec
                
                '17
                
            
            
            
        
    
                9:01 p.m.
            
        We also need to add a class to the widget box when activate the widget to put in it by css a active state with box-shadow, like the one I remove for spin buttons.
This is needed because "box" widgets don't support ":focus", ":hover"... so need a class added when active