.whats{
    position: fixed;
    bottom: 20px;
    right: 20px;  
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;  
    text-decoration: none !important;
}