.grayscale {
    filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Firefox 10+, Firefox on Android */
    filter: gray; /* IE6-9 */
	filter: grayscale(100%);
    -webkit-filter: grayscale(100%); /* Chrome 19+, Safari 6+, Safari 6+ iOS */
    -moz-filter: grayscale(100%); /* Chrome 19+, Safari 6+, Safari 6+ iOS */
    -ms-filter: grayscale(100%); /* Chrome 19+, Safari 6+, Safari 6+ iOS */
    -o-filter: grayscale(100%); /* Chrome 19+, Safari 6+, Safari 6+ iOS */
}

.bg , #supersized{
	top:0;
	width:100%;
	height:100%;
	position:fixed;
	z-index:-20;
}

body{
	background:none !important;
}