* {
	border: 0;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
:root {
	--hue: 223;
	--bg: hsl(var(--hue),90%,25%);
	--fg: hsl(var(--hue),10%,90%);
	--trans-dur: 0.3s;
	font-size: calc(16px + (24 - 16) * (100vw - 320px) / (1280 - 320));
}
body {
	background: var(--bg);
	color: var(--fg);
	font: 1em/1.5 sans-serif;
	height: 100vh;
	display: grid;
	place-items: center;
}
.pl {
	display: block;
	width: 9.375em;
	height: 9.375em;
}
.pl__arrows,
.pl__ring-rotate,
.pl__ring-stroke,
.pl__tick {
	animation-duration: 2s;
	animation-timing-function: linear;
	animation-iteration-count: infinite;
}
.pl__arrows {
	animation-name: arrows;
	transform: rotate(45deg);
	transform-origin: 16px 52px;
}
.pl__ring-rotate,
.pl__ring-stroke {
	transform-origin: 80px 80px;
}
.pl__ring-rotate {
	animation-name: ringRotate;
}
.pl__ring-stroke {
	animation-name: ringStroke;
	transform: rotate(-45deg);
}
.pl__tick {
	animation-name: tick;
}
.pl__tick:nth-child(2) {
	animation-delay: -1.75s;
}
.pl__tick:nth-child(3) {
	animation-delay: -1.5s;
}
.pl__tick:nth-child(4) {
	animation-delay: -1.25s;
}
.pl__tick:nth-child(5) {
	animation-delay: -1s;
}
.pl__tick:nth-child(6) {
	animation-delay: -0.75s;
}
.pl__tick:nth-child(7) {
	animation-delay: -0.5s;
}
.pl__tick:nth-child(8) {
	animation-delay: -0.25s;
}

/* Animations */
@keyframes arrows {
	from {
		transform: rotate(45deg);
	}
	to {
		transform: rotate(405deg);
	}
}
@keyframes ringRotate {
	from {
		transform: rotate(0);
	}
	to {
		transform: rotate(720deg);
	}
}
@keyframes ringStroke {
	from,
	to {
		stroke-dashoffset: 452;
		transform: rotate(-45deg);
	}
	50% {
		stroke-dashoffset: 169.5;
		transform: rotate(-180deg);
	}
}
@keyframes tick {
	from,
	3%,
	47%,
	to {
		stroke-dashoffset: -12;
	}
	14%,
	36% {
		stroke-dashoffset: 0;
	}
}