我的代码块如下,想排除后两个元素
.fooContent1C::after{
position: absolute;
content: '';
border-left: 1px dashed rgba(102, 102, 102, 1);
margin-left: 132px;
margin-top: 16px;
top: 5px;
height: calc(70% - 10px);
z-index: 99999;
}