.participating-companies {
    display: grid;
    grid-gap: 20px;
    grid-template-columns: repeat(auto-fill, minmax(208px, 1fr));
    align-items: center;
}

.participating-companies__item {

}

.participating-companies__link {

}

.participating-companies__link img {
    max-width: 100%;
    display: block;
}

@media (min-width: 768px) and (max-width: 991px) {
    .participating-companies {
        grid-template-columns: repeat(3, 1fr);
        grid-gap: 10px;
    }
}

@media (max-width: 767px) {
    .participating-companies {
        grid-template-columns: repeat(2, 1fr);
        grid-gap: 10px;
    }
}