.parntnersMain {
    margin: 99px 0;
    width: 1067px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.partnersMainItem {
    margin-bottom: 37px;
    margin-right: 38px;
    filter: grayscale(100%);
}

.partnersMainItem:nth-of-type(5n) {
    margin-right:0;
}

.partnersMainItem:hover {
    filter: none;
}