.mourn {
            -webkit-filter: grayscale(100%);
            -moz-filter: grayscale(100%);
            -ms-filter: grayscale(100%);
            -o-filter: grayscale(100%);
            filter: grayscale(100%);
            filter: url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\"><filter .3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\"/></filter></svg>#grayscale");
            filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
            filter: gray;
            -webkit-filter: grayscale(1);
        }