.add-banner {
    background: rgba(0,0,0,.1);
    height: 24px;
    padding: 0px 8px;
    color: rgba(255,255,255,.5);
    cursor: pointer;
}

.add-banner:hover {
    opacity: .8;
    background: rgba(0,0,0,.15);
    box-shadow: none;
}