/**
        html { 

            -webkit-filter: grayscale(100%); 

            -moz-filter: grayscale(100%); 

            -ms-filter: grayscale(100%); 

            -o-filter: grayscale(100%); 

            filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);  

            _filter:none; 

        } 

	**/