#btn-whats {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    -webkit-box-shadow: 0px 0px 60px 0px rgba(37, 211, 102, 1);
    -moz-box-shadow: 0px 0px 60px 0px rgba(37, 211, 102, 1);
    box-shadow: 0px 0px 60px 0px rgba(37, 211, 102, 1);
    padding: 0px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    background-color: #25d366;
}

#icon-whats {
    color: #fff;
    font-size: 30px;
}