.whatsapp-chat {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 1000;
        }
        .whatsapp-chat a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 55px;
            height: 55px;
            background-color: #25D366;
            border-radius: 50%;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease;
            text-decoration: none;
        }
        .whatsapp-chat a img {
            width: 35px;
            height: 35px;
        }
        .whatsapp-chat a:hover {
            transform: scale(1.1);
        }