@media (max-width: 768px) {
  	#scroll-up {
  		display: none !important;
	}
}

#scroll-down {
	display: inline-block;
    border-radius: 100%;
    width: 4.5em;
    height: 4.5em;
    line-height: 4.5em;
    text-align: center;
    font-size: 1.25em;
    padding: 0;
	border: 2px solid #fff;
	position: absolute;
	bottom: 20%;
	transform: translateX(-50%);
	color: #fff;
}

#scroll-up {
    background: url("../images/scrolltop/go-top1.png") no-repeat;
	position: fixed;
	bottom: 20px;
	right: 20px;
	width: 40px;
	height: 40px;
	margin-top: -52px;
  	background-size: 40px;
	z-index: 9;
	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
	opacity: 0;
	transition: opacity 0.3s ease 0s, visibility 0s ease 0s;
}

#scroll-up.is-visible {
	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
	opacity: 1;
}

#scroll-up.is-visible:hover {
	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=80)";
	opacity: 0.8;
}