mui中去掉li的下划线

去掉最下面一条

.mui-table-view:after {
position: absolute;
right: 0;
bottom: 0;
left: 0;
height: 0px;
content: '';
-webkit-transform: scaleY(.5);
transform: scaleY(.5);
background-color: #c8c7cc;
}

合起来去掉所有

.mui-table-view-cell:after{
height:0
}