.head-language{
	position: relative;
	display:flex;
	flex-wrap:wrap;
	justify-content: center;
	align-items: center;
	width:160px;
	height:40px;	
	margin-left:20px;
	border: 1px solid #ddd;
	box-sizing: border-box;
}
.head-language-button{
	margin-right:10px;
}
.language-cent{
	position: absolute;
	top:100%;
	left: -1px;
	background: #fff;
	width:calc(100% + 2px);
	padding:5px 10px 5px;
	box-sizing:border-box;
	z-index:999;
	min-width:150px;
	border-left:1px solid #ddd;
	border-right:1px solid #ddd;
	border-bottom:1px solid #ddd;
	/* border-top:1px solid #ddd; */
}
.language-cent{
	display: none;
}
.lan-tab{
	display: block;
	font-size:15px;
	padding:5px 10px;
	box-sizing:border-box;
	width:100%;
	border-bottom:1px solid #999;
}
.lan-tab span{
	font-size:16px;
}
.lan-tab:last-child{
	border-bottom:none;
}