.top-btn{
	width: 80px;
	height: 80px;
	background-color: #878787;
	cursor: pointer;
	z-index: 10;
	position: fixed;
	right: 8px;
	bottom: 8px;
	border-radius: 40px;
	display: inline-block;
	transition-duration :0.2s;
}

.top-btn-scale0{
	transform: scale(0);
}

.top-btn-scale1{
	transform: scale(1);
}

.arrow-top{
	width: 15px;
	height: 15px;
	margin: 14px 0 0 26px;
	border-top: 1px solid #fff;
	border-left: 1px solid #fff;
	transform: rotate(45deg);
	position: absolute;
	left: 7px;
	top: 0px;
}
.top-btn>span{
	font-size: 0.8em;
	position: absolute;
	bottom: 13px;
	left: 0;
	right: 0;
	text-align: center;
	margin: auto;
	margin-top: 17px;
	color: #fff;
}
footer{
	margin-top: 3rem;
	padding: 1em;
}
.footer-text{
	color: #262626;
	font-size: 0.8em;
	margin: auto;
}
footer>small{
	display: block;
	line-height: 1.1;
}

@media screen and (max-width: 650px){
	.footer-text{
		width: 100%;
		color: #fff;
		font-size: 0.8em;
		margin: auto;
	}
}