@vaadin/vaadin-lumo-styles/src/components/scroller.css

Lumo is a design system foundation for modern web applications, used by Vaadin components

/**
 * @license
 * Copyright (c) 2000 - 2026 Vaadin Ltd.
 * This program is available under Apache License Version 2.0, available at https://vaadin.com/license/
 */
@media lumo_components_scroller {
  :host {
    --_focus-ring-color: var(--vaadin-focus-ring-color, var(--lumo-primary-color-50pct));
    --_focus-ring-width: var(--vaadin-focus-ring-width, 2px);
  }

  :host([focus-ring]) {
    outline: none;
    box-shadow: 0 0 0 var(--_focus-ring-width) var(--_focus-ring-color);
  }
}