.promo-btn{
    background:linear-gradient(45deg,#ff6600,#ff9900);
    color:white !important;
    font-weight:bold;
    border-radius:25px;
    margin-top:8px;
    padding:10px 18px !important;
    box-shadow:0 4px 12px rgba(255,102,0,0.4);
    animation:latido 1.5s infinite;
    transition:0.3s;
}

.promo-btn:hover{
    background:#ff5500;
    transform:scale(1.08);
    box-shadow:0 6px 15px rgba(255,102,0,0.6);
}

@keyframes latido{
    0%{
        transform:scale(1);
    }
    50%{
        transform:scale(1.08);
    }
    100%{
        transform:scale(1);
    }





}