#back-to-top {
	position: fixed;
	z-index: 1000;
	bottom: 2rem;
	width: 4.8rem;
	height: 4.8rem;
	text-align: center;
	display: none;
	-webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
}

.left-menu #back-to-top {
	right: 2rem;
}

.right-menu #back-to-top {
	left: 2rem;
}

#back-to-top a {
	width: 4.8rem;
	height: 4.8rem;
	position: relative;
	display: block;
}

#back-to-top a .icon {
	font-size: 1.6rem;
	position: absolute;
	top: 50%;
	left: 50%;
	-webkit-transform: translate(-50%, -50%);
	-moz-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
}

@media (max-width: 767px) {
	#back-to-top {
		width: 4.4rem;
		height: 4.4rem;
	}
	#back-to-top a {
		width: 4.4rem;
		height: 4.4rem;
	}
}

@media (max-width: 480px) {
	#back-to-top {
		width: 4rem;
		height: 4rem;
	}
	#back-to-top a {
		width: 4rem;
		height: 4rem;
	}
}