.whatsapp {
    position: fixed;
    bottom: 1%;
    left: 1%;
    padding: 10px;
    z-index: 10000;
    width: 4%;
}

@media (max-width: 1024px) {
    .whatsapp {
        width: 7%;
    }
}

@media (max-width: 500px) {
    .whatsapp {
        width: 15%;
    }
}