-webkit-box-orient: vertical; 在webpack上失效

  .ifc-header-content-comment {
        /*     text-overflow: ellipsis;
    word-break: break-all;
    white-space: nowrap; */
        text-overflow: ellipsis;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        /* autoprefixer: off */
        -webkit-box-orient: vertical; 
        /* autoprefixer: on */
        height: 50px;
        line-height: 25px;
    }