.whatsapp-float{
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
    background-color: #0C9;
    color: #FFF !important;
    border-radius: 50px;
    text-align: center;
    box-shadow: 2px 2px 3px #999;
    z-index: 200;
}

.whatsapp-float img{
    width: 60px;
    height: 60px;
}