.whatsapp-button-container {
    position: fixed;
    bottom: 40px;
    right: 20px;
    z-index: 999;
}

.whatsapp-button {
    display: block;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    text-align: center;
    line-height: 50px;
}

.whatsapp-button img {
    width: 50px;
    height: 50px;
    margin-top:5px;
    vertical-align: middle;
}