.whatsapp-icon-footer {
    display: block;
    position: fixed;
    bottom: 0px;
    margin-bottom: 85px;
    right: 18px;
    z-index: 999;
    width: 49px;
    height: 49px;
}

.whatsapp-icon-footer .link-whatsapp {
    width: 100%;
    height: 100%;
    border-radius: 100%;
    border: 2px solid #fff;
    background-color: #0DC144;
    text-align: center;
    font-size: 30px;
    line-height: 46px;
    color: #ffffff;
    display: block;
}
.whatsapp-icon-footer .link-whatsapp:hover {
    background-color: #0da53c;
}