.btn-whatsapp path{
    fill: #cad745;
}
.btn-whatsapp{
    width: 50px;
    height: auto;
    position: fixed;
    z-index: 9;
    bottom: 0;
    left: 0;
    margin: 3% 2%;
    transition: .5s all;
}
.btn-whatsapp img:hover,
.icons img:hover{
    transform: scale(1.1);
}