.btn-buy-by-whatsapp {
    color: #f0f0f0;
    background-color: #25D366;
    border-radius: 6px 14px;
    width: 100%;
    display: block;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    font-family: var(--font-button);
    -webkit-transition: 0.5s linear;
    -moz-transition: 0.5s linear;
    -ms-transition: 0.5s linear;
    -o-transition: 0.5s linear;
    transition: 0.5s linear;
}

.btn-buy-by-whatsapp:hover {
    background: #128C7E;
}