.sert-wrap {
    display: flex;
    column-gap: 40px;
    flex-wrap: wrap;
    row-gap: 30px;
}
.sert__item {
    display: flex;
    flex-direction: column;
    row-gap: 20px;
    width: 260px;
}
.right_block .sert__item img {
    height: 370px;
    width: 100%;
    object-fit: cover;
}
.sert__item>span {
    font-size: 15px;
    line-height: normal;
}

@media (max-width: 591px) {
    .sert-wrap {
        justify-content: center;
    }
}