.go-to-top{
	position:fixed;
	bottom:-100px;
	right:15px;
	background-color:rgba(0,0,0,0.4);
	width:40px;
	height:40px;
	z-index:99;
	color:#fff;
	font-size:18px;
	line-height:40px;
	text-align:center;
	-webkit-transition: all .3s ease-in-out;
	-moz-transition: all .3s ease-in-out;
    transition: all .3s ease-in-out;
}
.go-to-top:hover{
	color:#fff;
	background-color:rgba(0,0,0,0.6);
}
@media(min-width:1200px){
	.go-to-top{
		width:50px;
		height:50px;
		line-height:50px;
	}
}