/* WhatsApp Button */
.ywabtn-whatsapp-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    width: 55px;
    height: 55px;
    transition: all 0.3s ease;
    background: url(https://travnook.com/wp-content/uploads/2024/03/3670051.png) center center no-repeat;
    background-size: contain;
}

.ywabtn-whatsapp-btn:hover {
    filter: brightness(90%); /* add hover effect */
}