li.item.ads{
    margin-bottom: -30px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: left 0;
    /*border:none;
    box-shadow:none;
    background-color:white;*/
    background-size:contain!important;
    background-position: center center;
}
li.item.ads:hover{
    border: none!important;
}
li.item.ads a{
    position: absolute;
    width: 100%;
    height: 100%;
    display: block;
}