/* Floating button */
#willowdale-popup-chat-button {
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
    background: #0d6efd;
    /* change to your brand */
    color: #fff;
    display: grid;
    place-items: center;
    z-index: 999999;
}

#willowdale-popup-chat-button:focus {
    outline: 3px solid rgba(13, 110, 253, .4);
}

/* Optional tooltip */
#willowdale-popup-chat-button[data-title]:hover::after {
    content: attr(data-title);
    position: absolute;
    right: 64px;
    bottom: 50%;
    transform: translateY(50%);
    background: rgba(0, 0, 0, .8);
    color: #fff;
    padding: 6px 8px;
    border-radius: 6px;
    white-space: nowrap;
    font-size: 12px;
    pointer-events: none;
}