@discoveryjs/discovery/lib/views/controls/menu.css

Frontend framework for rapid data (JSON) analysis, shareable serverless reports and dashboards

.view-menu:empty::before {
    content: attr(emptyText);
    display: block;
    padding: 4px 12px;
    color: #888;
}

.view-menu > .more-buttons {
    margin: 2px 12px 8px;
}