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