.promo-bar {
    background: #e0e0e0;
    border-radius: 10px;
    height: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.promo-fill {
    background: linear-gradient(to right, #28a745, #57ff50);
    height: 100%;
    transition: width 0.5s ease;
}

.promo-msg {
    font-size: 16px;
    font-weight: bold;
    text-align: center;
}