.whatsapp-button {
    position: fixed;
    padding: 25px;
    bottom: 0px;
    left: 0px;
    z-index: 999;
}

.wsp-btn {
    background-color: #25d366;
    font-size: 50px;
    width: 65px;
    height: 65px;
    text-align: center;
    border-radius: 50%;
    transition: all 230ms linear;
}

.wsp-btn i {
    margin: 7px 1px 0px 10px;
    float: left;
}

.wsp-btn a {
    color: #fff;
}

.wsp-btn a:hover {
    color: #fff;
}

.wsp-btn:hover {
    background-color: #128c7e;
    transition: all 230ms linear;
}