.whatsapp-button {
            position: fixed;
            bottom: 100px;
            right: 15px;
            width: 50px;
            height: 50px;
            background-color: #00FF7F;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            z-index: 1000;
        }

        .whatsapp-button img {
            width: 40px;
            height: 40px;
        }