.bg{
	background: #333;
	height: 100vh;
	position: fixed;
	z-index: -100;
}
.box{
	width: 100%;
	box-sizing: border-box;
	padding-top: 10vh;
}
.box h1{
	font-size: 80px;
	color: #fff;
	width: 60%;
	margin: 0 auto;
}
.box h2{
	font-size: 40px;
	font-weight: 100;
	color: #fff;
	width: 60%;
	margin: 0 auto;
}
.box ul{
	margin-top: 15vh;
	display: flex;
	justify-content: center;
}
.box ul li{
	width: 20%;
	margin: 0 20px;
}
.box ul li a{
	display: block;
	width: 100%;
	border: 4px solid #fff;
	color: #fff;
	line-height: 100px;
	text-align: center;
	font-size: 36px;
	border-radius: 20px;
	margin: 0 auto 20px;
	cursor: pointer;
	transition: all 0.2s;
}
.box ul li a:hover{
	background: #fff;
	color: #333;
}