/* Write your styles */
.bs_box ul li{
	list-style:none;
}
.bs_box button{ 
	margin:0 auto;
	height:100px;
	border: 1px #a2a1a9 solid;
}
#nian {
	background-color: #eee;
	
}
.bs_box button{
font-weight:600;

}
.cs{
	background-color: #F37B1D;
}