.list30 li {
    width: 24.33% !important;
    padding: 0 .15rem;
    margin-bottom: .2rem;}


.list30  .imgBox .img, .imgBox .imgLi {
    padding-bottom: 90% !important;
    transition: .5s;
    background-size: cover;
    display: block;
    background-repeat: no-repeat;
    background-position: center;
    display: block;
    background: #eee;}