.whatsapp{
    width: 50px;
    height: 50px;
    background-color: #25D366;
    position: fixed;
    bottom: 40px;
    right: 30px;
    z-index: 999;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 25px;
    color: white;
    cursor: pointer;
}