.whatsapp-btn {
    display: none;
    position: fixed;   /* rămâne fix pe ecran */
    bottom: 114px;      /* modifici cum vrei */
    right: 12px;       /* modifici cum vrei */
    background-color: #25D366;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    line-height: 40px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    z-index: 9999;
    text-decoration: none;
    align-items: center;
    justify-content: center;
}
.whatsapp-btn:hover
{
    background-color: #229d4f;
    color: white;
}

@media screen and (max-width: 1024px)
{
    .whatsapp-btn
    {
        display: flex;
    }
}