.whatsapp-float{

    position:fixed;

    right:30px;

    bottom:30px;

    width:64px;

    height:64px;

    border-radius:50%;

    background:#22C36A;

    color:#061811;

    display:flex;

    justify-content:center;

    align-items:center;

    font-size:28px;

    text-decoration:none;

    box-shadow:0 20px 40px rgba(0,0,0,.25);

    z-index:999;

    transition:.3s;

}

.whatsapp-float:hover{

    transform:translateY(-5px);

}