#scrollTopBtn:hover{background:#1d4ed8;transform:translateY(-3px);}
#scrollTopBtn {
	position: fixed;
	right: 25px;
	bottom: 25px;
	width: 45px;
	height: 45px;
	border: none;
	border-radius: 50%;
	background: #2563eb;
	color: white;
	font-size: 22px;
	font-weight: bold;
	cursor: pointer;
	display: none;
	align-items: center;
	justify-content: center;
	box-shadow: 0 5px 15px rgba(0,0,0,.2);
	z-index: 9999;
	transition: .25s ease;
}