.product_specifications {
    display: flex;
    flex-direction: row;
    column-gap: 15px;
    margin-top: 10px;
}
.product_specifications_tbl1, .product_specifications_tbl2 {
    width: 49%;
}
td.field_label {
    width: 30%;
}
@media(max-width: 786px){
    .product_specifications_tbl1, .product_specifications_tbl2 {
        width: 100%!important;
    }
    .product_specifications table td.field_label {
        padding: 5px!important;
    }
}