.logo-icon {
    z-index: 1;
    background-color: #fff;
    border: 1px solid #0000000d;
    border-radius: 50%;
    margin-top: 2px;
    padding: 12px;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 5px #00000013;
    display: none !important;
}

a.brand-logo {
    filter: drop-shadow(2px 4px 36px black);
}