.whatsapp-float{

    position:fixed;

    right:25px;

    bottom:25px;

    width:65px;

    height:65px;

    border-radius:50%;

    background:#25D366;

    display:flex;

    justify-content:center;

    align-items:center;

    color:white;

    font-size:32px;

    z-index:9999;

    box-shadow:
    0 10px 25px rgba(0,0,0,0.35);

    transition:0.3s;
}

.whatsapp-float:hover{

    transform:scale(1.1);
}