.adflex-slot {
    margin: 20px 0;
}

#adflex_top, #adflex_bottom {
    position: fixed;
    left: 0;
    width: 100%;
    background: #fff;
    z-index: 9999;
    text-align: center;
    padding: 10px 0;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#adflex_top { top: 0; }
#adflex_bottom { bottom: 0; }