div#brand-content ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: row;
    align-items: center;
}

div#brand-content ul li {
    flex: 0 0 25%;
    max-width: 33.3%;
    padding: 0px;
    text-align: center;
    box-sizing: border-box;
    margin: 20px 0;
    position: relative;
    padding: 20px;
}

div#brand-content li img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

#brand-content li:before {
    width: 1px;
    height: 50%;
    margin: auto;
    position: absolute;
    background: #dedede;
    right: 0;
    top: 0;
    bottom: 0;
    content: "";
}