CSS Greyscale Image hover to full color - CSS3 Cross Browser Supported Has images displayed as greyscale on normal display and then when hover displays the full color image :)

custom.css

element img {
  filter: alpha(opacity=100);
	opacity: 1.0;
	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 */
	-webkit-filter: grayscale(100%); /* Chrome 19+, Safari 6+, Safari 6+ iOS */
}
element img:hover, element img:focus {
	filter: alpha(opacity=100);
	opacity: 1.0;
	filter: none;
	-webkit-filter: grayscale(0%);
}