.whatsapp-icon {
    position: fixed;
    bottom: 120px;
    right: 20px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    padding: 15px;
    font-size: 24px;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.3);
    z-index: 1000;
    text-align: center;
}
.whatsapp-icon:hover {
    background-color: #1da851;
    cursor: pointer;
}