.btn-whatsapp {
    position: fixed;
    visibility: visible;
    right: 10px;
    bottom: 100px;
    width: 50px;
    height: 50px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    animation: pulse 2s infinite;
    transition: transform 0.2s, background-color 0.2s;
}

.btn-whatsapp img {
    width: 50px;
    height: auto;
    transition: transform 0.8s;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

.btn-whatsapp:hover {
    background-color: #1ebd54;
    transform: scale(1.1);
}

.btn-whatsapp:hover img {
    transform: rotate(360deg);
}