.tienich{
	list-style: none;
	padding: 0px;
	margin: 0px;
	z-index: 999;
	position: fixed;
	right: 15px;
	bottom: 250px;
	width: 45px;
}
.tienich li{
	display: inline-block;
	width: 45px;
	float: left;
	margin-bottom: 10px;
}
.tienich li a{
	width: 45px;
	height: 45px;
	text-align: center;
	display: inline-block;
	border-radius: 100%;
	color: #fff;
	background-color: #2196f3;
	box-shadow: 0 5px 11px 0 rgba(0, 0, 0, 0.18), 0 4px 15px 0 rgba(0, 0, 0, 0.15);
}
.tienich li a.face{
	background-color: #1877f2;
}
.tienich li a img{
	border-radius: 0px;
}