.clients-loop-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-auto-rows: 1fr;
    gap: 30px;
    box-sizing: border-box;
}
.clients-block .inside-article img {
    display: flex;
    filter: grayscale(1);
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
.clients-block .inside-article img:hover {
    filter: none;
}