使用缩放来0.5来实现,注意兼容各种浏览器

.frz-list li:after {
content: '';
position: absolute;
bottom:;
height: 1px;
width: 100%;
background-color: #bbb;
-webkit-transform: scaleY(0.5);
-moz-transform: scaleY(0.5);
transform: scaleY(0.5);
}
05-11 17:30