#dir label {
	cursor: pointer;
	filter: invert(0.6);
	position: relative;
	z-index: 1;
}

#dir input[type="radio"] {display: none;}

#dir input[type="radio"]:checked + label[for=rev] {
	filter: invert(0.6) sepia(1) saturate(60);
}
#dir input[type="radio"]:checked + label[for=fwd] {
	filter: invert(0.6) sepia(1) saturate(3) hue-rotate(60deg)
}

#dir #loco {
	background: url("shay.png") no-repeat center/contain;
	filter: invert(1);
	display: block;
	position: absolute;
	width: 100%;
}