#onediv{
	width: auto;
	height: 300px;
	display: flex;
}
div ul{
	display: flex;
	margin: 0 auto;
	padding: 0 0 0 0; /*样式清空*/
	text-align: center;
}
div ul li{
	margin: auto 30px auto 0px;
	flex-flow: row;
	list-style: none;
}
.oneli:hover{ 
    height:auto; 
    width:auto; 
    transform:scale(1.2,1.2);
} 
.oneli{ 
    transition: 0.2s; 
}