.float{
    position: fixed;
    width: 52px;
    height: 52px;
    bottom: 74px;
    right: 14px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 28px;
    box-shadow: 2px 2px 3px #999;
    z-index: 2000;
}
.float:hover {
   text-decoration: none;
   color: #25d366;
   background-color:#fff;
}

.my-float{
    margin-top: 14px;
}