.ip {
	width: 50px;
	height: auto;
}
.ip__track {
	stroke: hsl(var(--hue),90%,90%);
	transition: stroke var(--trans-dur);
}
.ip__worm1,
.ip__worm2 {
	animation: worm1 2s linear infinite;
}
.ip__worm2 {
	animation-name: worm2;
}

@keyframes worm1 {
	from {
		stroke-dashoffset: 0;
	}
	50% {
		animation-timing-function: steps(1);
		stroke-dashoffset: -358;
	}
	50.01% {
		animation-timing-function: linear;
		stroke-dashoffset: 358;
	}
	to {
		stroke-dashoffset: 0;
	}
}
@keyframes worm2 {
	from {
		stroke-dashoffset: 358;
	}
	50% {
		stroke-dashoffset: 0;
	}
	to {
		stroke-dashoffset: -358;
	}
}