html,body{ height: 100%; }

.bg{
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: -1;
}

.container{
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	margin: auto;
}

.title{
	position: absolute;
	top: 18.21%;
	left: 0;
	width: 100%;
	font-size: 32px;
	text-align: center;
	line-height: 1.3333333;
	color: #fff;
}

.btn-group{
	position: absolute;
	top: 37.78%;
	left: 0;
	width: 100%;
	text-align: center;
}

.btn-group a{
	display: block;
}

.btn-group img{
	width: 183px;
	height: 36px;
}