.backtotop-wrapper {
	display: none;
	position: fixed;
	bottom: 0;
}


.backtotop-button {
	position: relative;
	width: 2.8rem;
	height: 2.8rem;
	cursor: pointer;
	-webkit-animation: button-fade-in 2s forwards;
	animation: button-fade-in 2s forwards;
	z-index: 2000;
	font-size: 200%;
}

@-webkit-keyframes button-fade-in {
	from { opacity: 0; }
	to { opacity: 1; }
}

@keyframes button-fade-in {
	from { opacity: 0; }
	to { opacity: 1; } 
}


.backtotop-button > * {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translateX(-50%) translateY(-50%);
}