.top-link { 
	position:fixed; 
	bottom:7px; 
	right:7px; 
	margin:0; 
	padding:0; 
	z-index:999; 
	transition:all .4s linear;
}

.top-link.top-link-hide { 
	opacity:0;
}

.top-link a { 
	display:block; 
	margin:0; 
	padding:10px; 
	width:40px; 
	opacity:.4; 
	color:#fff; 
	font:bold 17px/1 arial, sans-serif; 
	text-decoration:none; 
	text-align:center;
	text-shadow:0 1px 0 rgba(0, 0, 0, .5);
	border:2px solid #fff; 
	border-radius:50%; 
	box-shadow:0 0 2px rgba(0, 0, 0, .5);
	background-color:#ffb400;
	transition:all .2s linear;
}

.top-link:hover a { 
	opacity:1;  
	transform:scale(1.2);
}