.whatsapp-button {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #22bd5b;
    color: #ffffff;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    padding-top: 6px;
    padding-left: 4px;
}

.whatsapp-button :hover {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #22bd5b;
    color: #ffffff;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    padding-top: 6px;
    padding-left: 4px;
}

.whatsapp-button i {
    color: #ffffff;
}