@vaadin/vaadin-lumo-styles/src/utilities/shadows.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/
 */
/* === Box shadow === */
.shadow-none {
  box-shadow: none;
}

.shadow-xs {
  box-shadow: var(--lumo-box-shadow-xs);
}

.shadow-s {
  box-shadow: var(--lumo-box-shadow-s);
}

.shadow-m {
  box-shadow: var(--lumo-box-shadow-m);
}

.shadow-l {
  box-shadow: var(--lumo-box-shadow-l);
}

.shadow-xl {
  box-shadow: var(--lumo-box-shadow-xl);
}