.cupom-ninja-btn-codigo {
    width: 100%;
    border: 1px dotted #ccc !important;
    font-weight: bolder;
    font-size: 22px;
}

.cupom-ninja-btn-entendi {
    background: #eee;
    color: #333;
    border: none !important;
}
.btn-cupom-ninja{
    font-weight: bolder;
}