div.column-partners-teaser div.recent-partners {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin: 0 -10px;
}
div.column-partners-teaser div.recent-partners div.partner-wrapper {
    width: 25%;
}
div.column-partners-teaser a.partner {
    margin: 0 10px 20px;
    background-color: #F3F4F5;
    transition: .3s;
    display: block;
    position: relative;
    padding-bottom: 100%;
}
div.column-partners-teaser a.partner:hover {
    background-color: rgba(242, 244, 245, .5);
    transition: .3s;
}
div.column-partners-teaser a.partner div.image {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    text-align: center;
}
div.column-partners-teaser a.partner div.image img {
    object-fit: contain;
    max-width: 90%;
    filter: grayscale(1);
    transition: .3s;
}
div.column-partners-teaser a.partner:hover div.image img {
    filter: grayscale(0);
    transition: .3s;
}

@media only screen and (max-width: 768px) {
    div.column-partners-teaser div.recent-partners div.partner-wrapper {
        width: 50%;
    }
    div.column-partners-teaser div.recent-partners div.partner-wrapper:nth-child(n+5) {
        display: none;
    }
}