.float {
    position:fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 30px;
    /*background-color: #25d366;*/
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    z-index: 90;
}

    .float:hover {
        text-decoration: none;
        color: #25d366;
        /*background-color: #fff;*/
    }

.my-float {
    margin-top: 16px;
}