.whatsapp_btn {
    position: fixed;
    bottom: 40px;
    right: 20px;
    z-index: 1000;
}

.wappbutton {
    width: 50px;
    border-radius: 50%;
    transition: transform 0.18s;
}

    .wappbutton:hover {
        transform: scale(1.13);
    }