.wlc-floating-btn {
    position: fixed;
    bottom: 20px;
    background: #25d366;
    color: #fff;
    padding: 12px 16px;
    border-radius: 50px;
    font-size: 15px;
    z-index: 999999;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}
a.wlc-floating-btn.wlc-left {
    left: 20px;
    right: auto;
}
a.wlc-floating-btn.wlc-right {
    left: auto;
    right: 20px;
}