.back9{
	background: rgba(0,0,0,0.9);
}

.login-box{
	margin-top:50px;
	text-align: center;
}

.form-group{
	width: 80%;
	margin: 20px auto;
}

.three{
	font-size: 0;
	text-align: center;
}

.three-line{
	display: inline-block;
	vertical-align: middle;
	width: 100px;
	border-top: 2px solid #ccc;
}
.three-login{
	display: inline-block;
	vertical-align: middle;
	width: 100px;
	height: 30px;
	line-height: 30px;
	font-size: 14px;
}
.three-login i{
	color:#fff;
	font-size:30px;
}

.mt70{
	margin-top:70px;
}

.mt30{
	margin-top:30px;
}

.pr70{
	padding-right: 73px
}