#wf-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25D366;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    z-index: 9999;

    box-shadow: none;
    border: none;
    outline: none;
}

#wf-btn svg {
    width: 30px;
    height: 30px;
    display: block;
}

#wf-btn:hover {
    transform: scale(1.08);
}