@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.whatsapp-button {
    /* existing styles */
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 10px;
    background-color: #11b918;
    border-radius: 5px;
    text-decoration: none;
    color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.whatsapp-button img {
    /* existing styles */
    height: 30px;
    width: auto;
    margin-right: 10px;
}

.whatsapp-button .whatsapp-text {
    /* existing styles */
    font-size: 14px;
    vertical-align: middle;
}

.whatsapp-button:hover {
    animation: pulse 1s infinite;
}

@media (max-width: 600px) {
    .whatsapp-button {
        bottom: 10px;
        right: 10px;
    }

    .whatsapp-button img {
        height: 25px;
    }

    .whatsapp-button .whatsapp-text {
        font-size: 10px;
    }
}