.dpm-whatsapp-btn {
    display: inline-block;
    margin-top: 15px;
    background-color: #25D366;
    color: white !important;
    padding: 12px 20px;
    text-decoration: none !important;
    border-radius: 5px;
    font-weight: bold;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-sizing: border-box;
    line-height: normal;
}

.dpm-whatsapp-btn:hover {
    background-color: #128C7E;
    color: white !important;
}