xiaoshi-wx/node_modules/wux-weapp/example/pages/sticky/index.wxss

/* pages/sticky/index.wxss */

.demo-item {
    position: relative;
    padding: 20rpx;
}

.demo-item::after {
    content: " ";
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    height: 2rpx;
    border-bottom: 2rpx solid #d9d9d9;
    color: #d9d9d9;
    transform-origin: 0 100%;
    transform: scaleY(.5);
}

.demo-item:last-child::after {
    display: none;
}