@media (max-width:767px) {
    .table-size {
        width: 100% !important;
        overflow-x: auto !important;
    }
    .cart table tr {
        padding-bottom: 30px !important;
    }
    .cart table button,
    .cart table .quantity {
        padding: 0px 8px!important;
    }
    .cart table thead, td {
        font-size: 13px;
    }
}