.wkwp-quick-recharge-presets {
    margin-top: 10px;
    margin-bottom: 15px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.wkwp-preset-btn {
    background: #fff !important;
    border: 1px solid #ccc !important;
    padding: 6px 12px !important;
    cursor: pointer;
    border-radius: 4px;
    transition: 0.3s;
}
.wkwp-preset-btn:hover, .wkwp-preset-btn.active {
    background: #9b59b6 !important; /* Purple Theme */
    color: #fff !important;
    border-color: #9b59b6 !important;
}