.Whatsapp {    
    position:fixed;
    bottom:130px;
    right:5px;
    display:flex;    
    flex-direction:column;
    justify-content:center; 
    opacity:0; 
    transition: 1s;	
    z-index:99;
}
.Whatsapp  a {
     margin-top:4px;
}
.Whatsapp  img {
    width:70px;
    padding:5px;    
    cursor :pointer;
    border-radius:100%;
    transition: .5s;
}
.Whatsapp a:hover img {
    width:80px;
}