html {
	filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
	filter: grayscale(100%);
	-webkit-filter: grayscale(100%);
	-moz-filter: grayscale(100%);
	-ms-filter: grayscale(100%);
	-o-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);
}