* {
	margin: 0;
	padding: 0;
}
html,body{
	width: 100%;
}
.container{
	width: 1200px;
	margin: auto;
}
.container .top{
	text-align: center;
	width: 100%;
	margin: 20px auto;
}
.container .top h2{
	margin-bottom: 5px;
	color: #333;
}
.container .top p{
	color: #999;
}
.container ul{
	display: flex;
	flex-wrap: wrap;
	width: 100%;
	margin: 0 auto;
	justify-content: space-around;
}
.container ul li{
	border-radius: 6px;
	width:160px;
	height: 160px;
	margin: 40px;
	display: block;
	background: #fff;
	transition: all 300ms;
	color: #555;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	overflow: hidden;
	cursor: pointer;
}
.container ul li:hover,.container ul .sel{
	background: #f1f2f3;
}
.lbx{
	height: 100%;
	box-sizing: border-box;
	padding: 20px;
	position: relative;
}
.lbx p{
	font-size: 16px;
	color: #666;
}
.lbx .copy{
	position: absolute;
	bottom: 20px;
	right: 20px;
	padding: 8px 18px;
	background: #2cbc63;
	color: #fff;
	font-size: 14px;
	border-radius: 6px;
	cursor: pointer;
}