scrollup.css

.back-to-top-btn {
	text-decoration: none;
	background: none;
	border-bottom: none;
	color: #333333;
	padding: 14px 22px;
	line-height: 15px;
	position: fixed;
	top: 0;
	bottom: 0;
	font-size: 12px;
	font-family: pt sans;
	-webkit-transition: .1s linear;
	-moz-transition: .1s linear;
	-ms-transition: .1s linear;
	transition: .1s linear;
	opacity: 1;
	cursor: pointer;
	text-align: center;
	white-space: nowrap;
	display: inline-block;
	z-index: 1000;
}
@media (max-width: 1490px) {
	.back-to-top-btn {
		display: none!important;
	}
}
.back-to-top-btn > span {
	text-decoration: none;
	color: #2f3235;
	border-bottom: 1px solid rgba(47, 50, 53, 0.25);
}
.back-to-top-btn:visited > span {
	border-bottom-color: #2f3235;
}
.back-to-top-btn:hover > span {
	color: #000000;
	border-bottom-color: #000000;
}
.back-to-top-btn:hover {
	background-color: rgba(255, 255, 255, .45);
}
.back-to-top-btn > span {
	-webkit-transition: .1s linear;
	-moz-transition: .1s linear;
	-ms-transition: .1s linear;
	transition: .1s linear;
}
.hidden,
[hidden] {
	display: none!important;
}