.head-language{
	position: relative;
}
.language-cent{
	position: absolute;
	top:100%;
	left: -20px;
	background: #fff;
	width:100%;
	padding:10px 10px 5px;
	box-sizing:border-box;
	z-index:999;
	min-width:150px;
}
.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;
}