.column-footer-action a {
    background-color: darkgrey;
    color: #fff !important;
}

.image-box span {
    background-color: darkgrey;
    background-color: rgba(100, 100, 100, 0.5);
    color: #fff;
    text-align: center;
}

.column-footer-action a:hover {
    color: #FFD200 !important;
}