a:hover img {
	filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\"darken\"><feComponentTransfer><feFuncR type=\"linear\" intercept=\"0.05\" slope=\"1\"/><feFuncG type=\"linear\" intercept=\"0.05\" slope=\"1\"/><feFuncB type=\"linear\" intercept=\"0.05\" slope=\"1\"/></feComponentTransfer></filter></svg>#darken"); /* Firefox 10+, Firefox on Android */
	filter: brightness(10%);
	-webkit-filter: brightness(110%); /* Chrome 19+, Safari 6+, Safari 6+ iOS */
	border:none;
}