<!--页面变灰-->
<style type="text/css">
	body * {
		/* -webkit-filter; grayscale(100%); */
		-moz-filter: grayscale(100%);
		-ms-filter: grayscale(100%);
		-o-filter: grayscale(100%);
		/* filter: grayscale(188%); */
		filter: progid:DXImageTransform,Microsoft.BasicImage(grayscale=1);
		filter: gray;
	}
</style>