#btn-whatsapp {
    position: fixed;
    bottom: -4px;
    left: 1px;
    z-index: 6;
}

.btn-whatsapp {
    background-color: rgba(230, 74, 15, 0);
    color: white;
    border-radius: 4px;
    border-color: rgba(230, 74, 15, 0);
    font-size: 30px;
}

.btn-whatsapp img {
    width: 80px;
}