.impresa-483 .annfu_button_actions a.btn{
    display: block;
    color: #000;
    background: #d2d2d2;
    text-align: center !important;
    text-decoration: none;
}

.impresa-483 .annfu_annuncio_streaming_avviso a.btn{
    color: #f00;
    background: #fff;
}