.return-top {
	display:none; right:20px; bottom:20px; position:fixed; z-index:9999;
}
.btn-1 {
	display: inline-block;
	background-color:#43aadc;
	border: none;
	color: #FFFFFF;
	text-align: center;
	padding: 10 20px;
	transition: all 0.5s;
	cursor: pointer;
	height:30px;
	border-radius:13px;
}

.btn-1 span {
	cursor: pointer;
	display: inline-block;
	position: relative;
	transition: 0.5s;
}

.btn-1:hover{
	background-color: #f4511e;
}

.btn-1 span:after {
	content: '\2191';
	position: absolute;
	opacity: 0;
	top: 0;
	right: -20px;
	transition: 0.5s;
}

.btn-1:hover span {
	padding-right: 25px;
}

.btn-1:hover span:after {
	opacity: 1;
	right: 0;
}