@media (max-width: 1200px) {
    .our-brands-item {
        width: calc((100% / 3) - 14px);
    }
}

@media (max-width: 840px) {
    .our-brands-item {
        width: calc((100% / 2) - 10px);
    }
}

@media (max-width: 540px) {
    .our-brands-item {
        width: 100%;
    }
}