.brand ul li:nth-child(n):after {
position: absolute;
content: '';
top: 13px;
left: 0;
height: 40px;
width: 1px;
color: #333;
}
想在上面添加竖线隔开
position: absolute;
content: '';
top: 13px;
left: 0;
height: 40px;
width: 1px;
color: #333;
}
想在上面添加竖线隔开