.wpwb-float-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: white;
    font-size: 28px;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    text-decoration: none;
    transition: transform 0.2s ease-in-out, background-color 0.2s;
    z-index: 999999;
    overflow: hidden;
}

.wpwb-float-btn:hover {
    transform: scale(1.1);
    background-color: #20ba5c;
}

.wpwb-float-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.wpwb-default-icon {
    font-size: 26px;
    color: #fff;
}

/* Responsive design */
@media (max-width: 768px) {
    .wpwb-float-btn {
        width: 55px;
        height: 55px;
        bottom: 15px;
        right: 15px;
    }
}

@media (max-width: 480px) {
    .wpwb-float-btn {
        width: 50px;
        height: 50px;
        bottom: 10px;
        right: 10px;
    }
}