.wcb-button {
    position: fixed;
    bottom: var(--wcb-bottom, 65px);
    right: var(--wcb-right, 15px);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border-radius: 50%;
    cursor: pointer;
    z-index: 9999;
    padding: 8px;
    border: none;
}
.wcb-button img {
    width: var(--wcb-size, 40px);
    height: var(--wcb-size, 40px);
}