.mrkv-pv-settings-columns {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    flex-wrap: wrap;
}

.mrkv-pv-settings-main {
    flex: 1 1 520px;
    min-width: 0;
}

.mrkv-pv-settings-support {
    flex: 0 0 260px;
    max-width: 100%;
    background: #fff;
    border: 1px solid #dcdcde;
    border-radius: 4px;
    padding: 1.5rem;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
}

.mrkv-pv-settings-support h2 {
    margin-top: 0;
}