.floting-whatsapp {
    position: fixed;
    height: 60px;
    width: 60px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    bottom: 20px;
    right: 20px;
    cursor: pointer;
    transition: background-color 0.5s;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floting-whatsapp:hover {
    background-color: #128c7e;
}

.floting-whatsapp i {
    font-size: 30px;
}

.floting-whatsapp:hover i {
    color: #fff;
}