#back-to-top {
	position: fixed;
	bottom: 1em;
	right: 1em;
	z-index: 10;
	opacity: 0;
	transition: opacity 300ms ease-in-out;
	aspect-ratio: 1;
	width: clamp(60px, 7.77vw, 112px);
	color: transparent;
	background: url('../../images/back-to-top.svg') no-repeat center/contain;
}

@media screen and (min-width: 768px) {
	#back-to-top.visible {
		opacity: 1;
	}
}