.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 80px;
    right: 40px;
    background-color: #25d366;
    border-radius: 50%;
    color: #FFF;
    font-size: 30px;
    z-index: 100;
    text-align: center;
}

#whatsapp-float-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}